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<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2009 Red Hat, Inc.</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * Red Hat licenses this file to you under the Apache License, version 2.0</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with the</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * License.  You may obtain a copy of the License at:</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *    <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * License for the specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">package</strong> org.jboss.netty.handler.ssl;
<a class="jxr_linenumber" name="17" href="#17">17</a>  
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.jboss.netty.channel.Channels.*;
<a class="jxr_linenumber" name="19" href="#19">19</a>  
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> java.io.IOException;
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> java.nio.ByteBuffer;
<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> java.nio.channels.ClosedChannelException;
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> java.util.LinkedList;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> java.util.Queue;
<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.Executor;
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.atomic.AtomicBoolean;
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> java.util.regex.Pattern;
<a class="jxr_linenumber" name="28" href="#28">28</a>  
<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> javax.net.ssl.SSLEngine;
<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> javax.net.ssl.SSLEngineResult;
<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> javax.net.ssl.SSLEngineResult.HandshakeStatus;
<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> javax.net.ssl.SSLEngineResult.Status;
<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> javax.net.ssl.SSLException;
<a class="jxr_linenumber" name="34" href="#34">34</a>  
<a class="jxr_linenumber" name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.buffer.ChannelBuffer;
<a class="jxr_linenumber" name="36" href="#36">36</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.buffer.ChannelBuffers;
<a class="jxr_linenumber" name="37" href="#37">37</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.Channel;
<a class="jxr_linenumber" name="38" href="#38">38</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelDownstreamHandler;
<a class="jxr_linenumber" name="39" href="#39">39</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelEvent;
<a class="jxr_linenumber" name="40" href="#40">40</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelFuture;
<a class="jxr_linenumber" name="41" href="#41">41</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelFutureListener;
<a class="jxr_linenumber" name="42" href="#42">42</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelHandlerContext;
<a class="jxr_linenumber" name="43" href="#43">43</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelPipeline;
<a class="jxr_linenumber" name="44" href="#44">44</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelStateEvent;
<a class="jxr_linenumber" name="45" href="#45">45</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.Channels;
<a class="jxr_linenumber" name="46" href="#46">46</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.DownstreamMessageEvent;
<a class="jxr_linenumber" name="47" href="#47">47</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ExceptionEvent;
<a class="jxr_linenumber" name="48" href="#48">48</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.LifeCycleAwareChannelHandler;
<a class="jxr_linenumber" name="49" href="#49">49</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.MessageEvent;
<a class="jxr_linenumber" name="50" href="#50">50</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.frame.FrameDecoder;
<a class="jxr_linenumber" name="51" href="#51">51</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.logging.InternalLogger;
<a class="jxr_linenumber" name="52" href="#52">52</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.logging.InternalLoggerFactory;
<a class="jxr_linenumber" name="53" href="#53">53</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.util.internal.LinkedTransferQueue;
<a class="jxr_linenumber" name="54" href="#54">54</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.util.internal.NonReentrantLock;
<a class="jxr_linenumber" name="55" href="#55">55</a>  
<a class="jxr_linenumber" name="56" href="#56">56</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="57" href="#57">57</a>  <em class="jxr_javadoccomment"> * Adds &lt;a href="<a href="http://en.wikipedia.org/wiki/Transport_Layer_Security" target="alexandria_uri">http://en.wikipedia.org/wiki/Transport_Layer_Security</a>"&gt;SSL</em>
<a class="jxr_linenumber" name="58" href="#58">58</a>  <em class="jxr_javadoccomment"> * &amp;middot; TLS&lt;/a&gt; and StartTLS support to a {@link Channel}.  Please refer</em>
<a class="jxr_linenumber" name="59" href="#59">59</a>  <em class="jxr_javadoccomment"> * to the &lt;strong&gt;"SecureChat"&lt;/strong&gt; example in the distribution or the web</em>
<a class="jxr_linenumber" name="60" href="#60">60</a>  <em class="jxr_javadoccomment"> * site for the detailed usage.</em>
<a class="jxr_linenumber" name="61" href="#61">61</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="62" href="#62">62</a>  <em class="jxr_javadoccomment"> * &lt;h3&gt;Beginning the handshake&lt;/h3&gt;</em>
<a class="jxr_linenumber" name="63" href="#63">63</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a class="jxr_linenumber" name="64" href="#64">64</a>  <em class="jxr_javadoccomment"> * You must make sure not to write a message while the</em>
<a class="jxr_linenumber" name="65" href="#65">65</a>  <em class="jxr_javadoccomment"> * {@linkplain #handshake() handshake} is in progress unless you are</em>
<a class="jxr_linenumber" name="66" href="#66">66</a>  <em class="jxr_javadoccomment"> * renegotiating.  You will be notified by the {@link ChannelFuture} which is</em>
<a class="jxr_linenumber" name="67" href="#67">67</a>  <em class="jxr_javadoccomment"> * returned by the {@link #handshake()} method when the handshake</em>
<a class="jxr_linenumber" name="68" href="#68">68</a>  <em class="jxr_javadoccomment"> * process succeeds or fails.</em>
<a class="jxr_linenumber" name="69" href="#69">69</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="70" href="#70">70</a>  <em class="jxr_javadoccomment"> * &lt;h3&gt;Renegotiation&lt;/h3&gt;</em>
<a class="jxr_linenumber" name="71" href="#71">71</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a class="jxr_linenumber" name="72" href="#72">72</a>  <em class="jxr_javadoccomment"> * TLS renegotiation has been disabled by default due to a known security issue,</em>
<a class="jxr_linenumber" name="73" href="#73">73</a>  <em class="jxr_javadoccomment"> * &lt;a href="<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3555" target="alexandria_uri">http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3555</a>"&gt;CVE-2009-3555&lt;/a&gt;.</em>
<a class="jxr_linenumber" name="74" href="#74">74</a>  <em class="jxr_javadoccomment"> * You can re-enable renegotiation by calling {@link #setEnableRenegotiation(boolean)}</em>
<a class="jxr_linenumber" name="75" href="#75">75</a>  <em class="jxr_javadoccomment"> * with {@code true} at your own risk.</em>
<a class="jxr_linenumber" name="76" href="#76">76</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a class="jxr_linenumber" name="77" href="#77">77</a>  <em class="jxr_javadoccomment"> * If {@link #isEnableRenegotiation() enableRenegotiation} is {@code true} and</em>
<a class="jxr_linenumber" name="78" href="#78">78</a>  <em class="jxr_javadoccomment"> * the initial handshake has been done successfully, you can call</em>
<a class="jxr_linenumber" name="79" href="#79">79</a>  <em class="jxr_javadoccomment"> * {@link #handshake()} to trigger the renegotiation.</em>
<a class="jxr_linenumber" name="80" href="#80">80</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a class="jxr_linenumber" name="81" href="#81">81</a>  <em class="jxr_javadoccomment"> * If {@link #isEnableRenegotiation() enableRenegotiation} is {@code false},</em>
<a class="jxr_linenumber" name="82" href="#82">82</a>  <em class="jxr_javadoccomment"> * an attempt to trigger renegotiation will result in the connection closure.</em>
<a class="jxr_linenumber" name="83" href="#83">83</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="84" href="#84">84</a>  <em class="jxr_javadoccomment"> * &lt;h3&gt;Closing the session&lt;/h3&gt;</em>
<a class="jxr_linenumber" name="85" href="#85">85</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a class="jxr_linenumber" name="86" href="#86">86</a>  <em class="jxr_javadoccomment"> * To close the SSL session, the {@link #close()} method should be</em>
<a class="jxr_linenumber" name="87" href="#87">87</a>  <em class="jxr_javadoccomment"> * called to send the {@code close_notify} message to the remote peer.  One</em>
<a class="jxr_linenumber" name="88" href="#88">88</a>  <em class="jxr_javadoccomment"> * exception is when you close the {@link Channel} - {@link SslHandler}</em>
<a class="jxr_linenumber" name="89" href="#89">89</a>  <em class="jxr_javadoccomment"> * intercepts the close request and send the {@code close_notify} message</em>
<a class="jxr_linenumber" name="90" href="#90">90</a>  <em class="jxr_javadoccomment"> * before the channel closure automatically.  Once the SSL session is closed,</em>
<a class="jxr_linenumber" name="91" href="#91">91</a>  <em class="jxr_javadoccomment"> * it is not reusable, and consequently you should create a new</em>
<a class="jxr_linenumber" name="92" href="#92">92</a>  <em class="jxr_javadoccomment"> * {@link SslHandler} with a new {@link SSLEngine} as explained in the</em>
<a class="jxr_linenumber" name="93" href="#93">93</a>  <em class="jxr_javadoccomment"> * following section.</em>
<a class="jxr_linenumber" name="94" href="#94">94</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="95" href="#95">95</a>  <em class="jxr_javadoccomment"> * &lt;h3&gt;Restarting the session&lt;/h3&gt;</em>
<a class="jxr_linenumber" name="96" href="#96">96</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a class="jxr_linenumber" name="97" href="#97">97</a>  <em class="jxr_javadoccomment"> * To restart the SSL session, you must remove the existing closed</em>
<a class="jxr_linenumber" name="98" href="#98">98</a>  <em class="jxr_javadoccomment"> * {@link SslHandler} from the {@link ChannelPipeline}, insert a new</em>
<a class="jxr_linenumber" name="99" href="#99">99</a>  <em class="jxr_javadoccomment"> * {@link SslHandler} with a new {@link SSLEngine} into the pipeline,</em>
<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment"> * and start the handshake process as described in the first section.</em>
<a class="jxr_linenumber" name="101" href="#101">101</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="102" href="#102">102</a> <em class="jxr_javadoccomment"> * &lt;h3&gt;Implementing StartTLS&lt;/h3&gt;</em>
<a class="jxr_linenumber" name="103" href="#103">103</a> <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a class="jxr_linenumber" name="104" href="#104">104</a> <em class="jxr_javadoccomment"> * &lt;a href="<a href="http://en.wikipedia.org/wiki/STARTTLS" target="alexandria_uri">http://en.wikipedia.org/wiki/STARTTLS</a>"&gt;StartTLS&lt;/a&gt; is the</em>
<a class="jxr_linenumber" name="105" href="#105">105</a> <em class="jxr_javadoccomment"> * communication pattern that secures the wire in the middle of the plaintext</em>
<a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment"> * connection.  Please note that it is different from SSL &amp;middot; TLS, that</em>
<a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment"> * secures the wire from the beginning of the connection.  Typically, StartTLS</em>
<a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_javadoccomment"> * is composed of three steps:</em>
<a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_javadoccomment"> * &lt;ol&gt;</em>
<a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment"> * &lt;li&gt;Client sends a StartTLS request to server.&lt;/li&gt;</em>
<a class="jxr_linenumber" name="111" href="#111">111</a> <em class="jxr_javadoccomment"> * &lt;li&gt;Server sends a StartTLS response to client.&lt;/li&gt;</em>
<a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_javadoccomment"> * &lt;li&gt;Client begins SSL handshake.&lt;/li&gt;</em>
<a class="jxr_linenumber" name="113" href="#113">113</a> <em class="jxr_javadoccomment"> * &lt;/ol&gt;</em>
<a class="jxr_linenumber" name="114" href="#114">114</a> <em class="jxr_javadoccomment"> * If you implement a server, you need to:</em>
<a class="jxr_linenumber" name="115" href="#115">115</a> <em class="jxr_javadoccomment"> * &lt;ol&gt;</em>
<a class="jxr_linenumber" name="116" href="#116">116</a> <em class="jxr_javadoccomment"> * &lt;li&gt;create a new {@link SslHandler} instance with {@code startTls} flag set</em>
<a class="jxr_linenumber" name="117" href="#117">117</a> <em class="jxr_javadoccomment"> *     to {@code true},&lt;/li&gt;</em>
<a class="jxr_linenumber" name="118" href="#118">118</a> <em class="jxr_javadoccomment"> * &lt;li&gt;insert the {@link SslHandler} to the {@link ChannelPipeline}, and&lt;/li&gt;</em>
<a class="jxr_linenumber" name="119" href="#119">119</a> <em class="jxr_javadoccomment"> * &lt;li&gt;write a StartTLS response.&lt;/li&gt;</em>
<a class="jxr_linenumber" name="120" href="#120">120</a> <em class="jxr_javadoccomment"> * &lt;/ol&gt;</em>
<a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment"> * Please note that you must insert {@link SslHandler} &lt;em&gt;before&lt;/em&gt; sending</em>
<a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_javadoccomment"> * the StartTLS response.  Otherwise the client can send begin SSL handshake</em>
<a class="jxr_linenumber" name="123" href="#123">123</a> <em class="jxr_javadoccomment"> * before {@link SslHandler} is inserted to the {@link ChannelPipeline}, causing</em>
<a class="jxr_linenumber" name="124" href="#124">124</a> <em class="jxr_javadoccomment"> * data corruption.</em>
<a class="jxr_linenumber" name="125" href="#125">125</a> <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a class="jxr_linenumber" name="126" href="#126">126</a> <em class="jxr_javadoccomment"> * The client-side implementation is much simpler.</em>
<a class="jxr_linenumber" name="127" href="#127">127</a> <em class="jxr_javadoccomment"> * &lt;ol&gt;</em>
<a class="jxr_linenumber" name="128" href="#128">128</a> <em class="jxr_javadoccomment"> * &lt;li&gt;Write a StartTLS request,&lt;/li&gt;</em>
<a class="jxr_linenumber" name="129" href="#129">129</a> <em class="jxr_javadoccomment"> * &lt;li&gt;wait for the StartTLS response,&lt;/li&gt;</em>
<a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_javadoccomment"> * &lt;li&gt;create a new {@link SslHandler} instance with {@code startTls} flag set</em>
<a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_javadoccomment"> *     to {@code false},&lt;/li&gt;</em>
<a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_javadoccomment"> * &lt;li&gt;insert the {@link SslHandler} to the {@link ChannelPipeline}, and&lt;/li&gt;</em>
<a class="jxr_linenumber" name="133" href="#133">133</a> <em class="jxr_javadoccomment"> * &lt;li&gt;Initiate SSL handshake by calling {@link SslHandler#handshake()}.&lt;/li&gt;</em>
<a class="jxr_linenumber" name="134" href="#134">134</a> <em class="jxr_javadoccomment"> * &lt;/ol&gt;</em>
<a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="http://www.jboss.org/netty/" target="alexandria_uri">http://www.jboss.org/netty/</a>"&gt;The Netty Project&lt;/a&gt;</em>
<a class="jxr_linenumber" name="137" href="#137">137</a> <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="http://gleamynode.net/" target="alexandria_uri">http://gleamynode.net/</a>"&gt;Trustin Lee&lt;/a&gt;</em>
<a class="jxr_linenumber" name="138" href="#138">138</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="139" href="#139">139</a> <em class="jxr_javadoccomment"> * @version $Rev: 2369 $, $Date: 2010-10-19 13:05:28 +0900 (Tue, 19 Oct 2010) $</em>
<a class="jxr_linenumber" name="140" href="#140">140</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="141" href="#141">141</a> <em class="jxr_javadoccomment"> * @apiviz.landmark</em>
<a class="jxr_linenumber" name="142" href="#142">142</a> <em class="jxr_javadoccomment"> * @apiviz.uses org.jboss.netty.handler.ssl.SslBufferPool</em>
<a class="jxr_linenumber" name="143" href="#143">143</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="144" href="#144">144</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">SslHandler</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/jboss/netty/handler/codec/frame/FrameDecoder.html">FrameDecoder</a>
<a class="jxr_linenumber" name="145" href="#145">145</a>                         <strong class="jxr_keyword">implements</strong> ChannelDownstreamHandler,
<a class="jxr_linenumber" name="146" href="#146">146</a>                                    <a href="../../../../../org/jboss/netty/channel/LifeCycleAwareChannelHandler.html">LifeCycleAwareChannelHandler</a> {
<a class="jxr_linenumber" name="147" href="#147">147</a> 
<a class="jxr_linenumber" name="148" href="#148">148</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/logging/InternalLogger.html">InternalLogger</a> logger =
<a class="jxr_linenumber" name="149" href="#149">149</a>         InternalLoggerFactory.getInstance(SslHandler.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="150" href="#150">150</a> 
<a class="jxr_linenumber" name="151" href="#151">151</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> ByteBuffer EMPTY_BUFFER = ByteBuffer.allocate(0);
<a class="jxr_linenumber" name="152" href="#152">152</a> 
<a class="jxr_linenumber" name="153" href="#153">153</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Pattern IGNORABLE_ERROR_MESSAGE = Pattern.compile(
<a class="jxr_linenumber" name="154" href="#154">154</a>             <span class="jxr_string">"^.*(?:connection.*reset|connection.*closed|broken.*pipe).*$"</span>,
<a class="jxr_linenumber" name="155" href="#155">155</a>             Pattern.CASE_INSENSITIVE);
<a class="jxr_linenumber" name="156" href="#156">156</a> 
<a class="jxr_linenumber" name="157" href="#157">157</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslBufferPool.html">SslBufferPool</a> defaultBufferPool;
<a class="jxr_linenumber" name="158" href="#158">158</a> 
<a class="jxr_linenumber" name="159" href="#159">159</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="160" href="#160">160</a> <em class="jxr_javadoccomment">     * Returns the default {@link SslBufferPool} used when no pool is</em>
<a class="jxr_linenumber" name="161" href="#161">161</a> <em class="jxr_javadoccomment">     * specified in the constructor.</em>
<a class="jxr_linenumber" name="162" href="#162">162</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="163" href="#163">163</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">synchronized</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslBufferPool.html">SslBufferPool</a> getDefaultBufferPool() {
<a class="jxr_linenumber" name="164" href="#164">164</a>         <strong class="jxr_keyword">if</strong> (defaultBufferPool == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="165" href="#165">165</a>             defaultBufferPool = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslBufferPool.html">SslBufferPool</a>();
<a class="jxr_linenumber" name="166" href="#166">166</a>         }
<a class="jxr_linenumber" name="167" href="#167">167</a>         <strong class="jxr_keyword">return</strong> defaultBufferPool;
<a class="jxr_linenumber" name="168" href="#168">168</a>     }
<a class="jxr_linenumber" name="169" href="#169">169</a> 
<a class="jxr_linenumber" name="170" href="#170">170</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx;
<a class="jxr_linenumber" name="171" href="#171">171</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> SSLEngine engine;
<a class="jxr_linenumber" name="172" href="#172">172</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslBufferPool.html">SslBufferPool</a> bufferPool;
<a class="jxr_linenumber" name="173" href="#173">173</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Executor delegatedTaskExecutor;
<a class="jxr_linenumber" name="174" href="#174">174</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> startTls;
<a class="jxr_linenumber" name="175" href="#175">175</a> 
<a class="jxr_linenumber" name="176" href="#176">176</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <strong class="jxr_keyword">boolean</strong> enableRenegotiation;
<a class="jxr_linenumber" name="177" href="#177">177</a> 
<a class="jxr_linenumber" name="178" href="#178">178</a>     <strong class="jxr_keyword">final</strong> Object handshakeLock = <strong class="jxr_keyword">new</strong> Object();
<a class="jxr_linenumber" name="179" href="#179">179</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> handshaking;
<a class="jxr_linenumber" name="180" href="#180">180</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <strong class="jxr_keyword">boolean</strong> handshaken;
<a class="jxr_linenumber" name="181" href="#181">181</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <a href="../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> handshakeFuture;
<a class="jxr_linenumber" name="182" href="#182">182</a> 
<a class="jxr_linenumber" name="183" href="#183">183</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> AtomicBoolean sentFirstMessage = <strong class="jxr_keyword">new</strong> AtomicBoolean();
<a class="jxr_linenumber" name="184" href="#184">184</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> AtomicBoolean sentCloseNotify = <strong class="jxr_keyword">new</strong> AtomicBoolean();
<a class="jxr_linenumber" name="185" href="#185">185</a>     <strong class="jxr_keyword">int</strong> ignoreClosedChannelException;
<a class="jxr_linenumber" name="186" href="#186">186</a>     <strong class="jxr_keyword">final</strong> Object ignoreClosedChannelExceptionLock = <strong class="jxr_keyword">new</strong> Object();
<a class="jxr_linenumber" name="187" href="#187">187</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Queue&lt;PendingWrite&gt; pendingUnencryptedWrites = <strong class="jxr_keyword">new</strong> LinkedList&lt;PendingWrite&gt;();
<a class="jxr_linenumber" name="188" href="#188">188</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Queue&lt;MessageEvent&gt; pendingEncryptedWrites = <strong class="jxr_keyword">new</strong> LinkedTransferQueue&lt;MessageEvent&gt;();
<a class="jxr_linenumber" name="189" href="#189">189</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/util/internal/NonReentrantLock.html">NonReentrantLock</a> pendingEncryptedWritesLock = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/util/internal/NonReentrantLock.html">NonReentrantLock</a>();
<a class="jxr_linenumber" name="190" href="#190">190</a> 
<a class="jxr_linenumber" name="191" href="#191">191</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="192" href="#192">192</a> <em class="jxr_javadoccomment">     * Creates a new instance.</em>
<a class="jxr_linenumber" name="193" href="#193">193</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="194" href="#194">194</a> <em class="jxr_javadoccomment">     * @param engine  the {@link SSLEngine} this handler will use</em>
<a class="jxr_linenumber" name="195" href="#195">195</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="196" href="#196">196</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">SslHandler</a>(SSLEngine engine) {
<a class="jxr_linenumber" name="197" href="#197">197</a>         <strong class="jxr_keyword">this</strong>(engine, getDefaultBufferPool(), ImmediateExecutor.INSTANCE);
<a class="jxr_linenumber" name="198" href="#198">198</a>     }
<a class="jxr_linenumber" name="199" href="#199">199</a> 
<a class="jxr_linenumber" name="200" href="#200">200</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="201" href="#201">201</a> <em class="jxr_javadoccomment">     * Creates a new instance.</em>
<a class="jxr_linenumber" name="202" href="#202">202</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="203" href="#203">203</a> <em class="jxr_javadoccomment">     * @param engine      the {@link SSLEngine} this handler will use</em>
<a class="jxr_linenumber" name="204" href="#204">204</a> <em class="jxr_javadoccomment">     * @param bufferPool  the {@link SslBufferPool} where this handler will</em>
<a class="jxr_linenumber" name="205" href="#205">205</a> <em class="jxr_javadoccomment">     *                    acquire the buffers required by the {@link SSLEngine}</em>
<a class="jxr_linenumber" name="206" href="#206">206</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="207" href="#207">207</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">SslHandler</a>(SSLEngine engine, <a href="../../../../../org/jboss/netty/handler/ssl/SslBufferPool.html">SslBufferPool</a> bufferPool) {
<a class="jxr_linenumber" name="208" href="#208">208</a>         <strong class="jxr_keyword">this</strong>(engine, bufferPool, ImmediateExecutor.INSTANCE);
<a class="jxr_linenumber" name="209" href="#209">209</a>     }
<a class="jxr_linenumber" name="210" href="#210">210</a> 
<a class="jxr_linenumber" name="211" href="#211">211</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="212" href="#212">212</a> <em class="jxr_javadoccomment">     * Creates a new instance.</em>
<a class="jxr_linenumber" name="213" href="#213">213</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="214" href="#214">214</a> <em class="jxr_javadoccomment">     * @param engine    the {@link SSLEngine} this handler will use</em>
<a class="jxr_linenumber" name="215" href="#215">215</a> <em class="jxr_javadoccomment">     * @param startTls  {@code true} if the first write request shouldn't be</em>
<a class="jxr_linenumber" name="216" href="#216">216</a> <em class="jxr_javadoccomment">     *                  encrypted by the {@link SSLEngine}</em>
<a class="jxr_linenumber" name="217" href="#217">217</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="218" href="#218">218</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">SslHandler</a>(SSLEngine engine, <strong class="jxr_keyword">boolean</strong> startTls) {
<a class="jxr_linenumber" name="219" href="#219">219</a>         <strong class="jxr_keyword">this</strong>(engine, getDefaultBufferPool(), startTls);
<a class="jxr_linenumber" name="220" href="#220">220</a>     }
<a class="jxr_linenumber" name="221" href="#221">221</a> 
<a class="jxr_linenumber" name="222" href="#222">222</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="223" href="#223">223</a> <em class="jxr_javadoccomment">     * Creates a new instance.</em>
<a class="jxr_linenumber" name="224" href="#224">224</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="225" href="#225">225</a> <em class="jxr_javadoccomment">     * @param engine      the {@link SSLEngine} this handler will use</em>
<a class="jxr_linenumber" name="226" href="#226">226</a> <em class="jxr_javadoccomment">     * @param bufferPool  the {@link SslBufferPool} where this handler will</em>
<a class="jxr_linenumber" name="227" href="#227">227</a> <em class="jxr_javadoccomment">     *                    acquire the buffers required by the {@link SSLEngine}</em>
<a class="jxr_linenumber" name="228" href="#228">228</a> <em class="jxr_javadoccomment">     * @param startTls    {@code true} if the first write request shouldn't be</em>
<a class="jxr_linenumber" name="229" href="#229">229</a> <em class="jxr_javadoccomment">     *                    encrypted by the {@link SSLEngine}</em>
<a class="jxr_linenumber" name="230" href="#230">230</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="231" href="#231">231</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">SslHandler</a>(SSLEngine engine, <a href="../../../../../org/jboss/netty/handler/ssl/SslBufferPool.html">SslBufferPool</a> bufferPool, <strong class="jxr_keyword">boolean</strong> startTls) {
<a class="jxr_linenumber" name="232" href="#232">232</a>         <strong class="jxr_keyword">this</strong>(engine, bufferPool, startTls, ImmediateExecutor.INSTANCE);
<a class="jxr_linenumber" name="233" href="#233">233</a>     }
<a class="jxr_linenumber" name="234" href="#234">234</a> 
<a class="jxr_linenumber" name="235" href="#235">235</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="236" href="#236">236</a> <em class="jxr_javadoccomment">     * Creates a new instance.</em>
<a class="jxr_linenumber" name="237" href="#237">237</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="238" href="#238">238</a> <em class="jxr_javadoccomment">     * @param engine</em>
<a class="jxr_linenumber" name="239" href="#239">239</a> <em class="jxr_javadoccomment">     *        the {@link SSLEngine} this handler will use</em>
<a class="jxr_linenumber" name="240" href="#240">240</a> <em class="jxr_javadoccomment">     * @param delegatedTaskExecutor</em>
<a class="jxr_linenumber" name="241" href="#241">241</a> <em class="jxr_javadoccomment">     *        the {@link Executor} which will execute the delegated task</em>
<a class="jxr_linenumber" name="242" href="#242">242</a> <em class="jxr_javadoccomment">     *        that {@link SSLEngine#getDelegatedTask()} will return</em>
<a class="jxr_linenumber" name="243" href="#243">243</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="244" href="#244">244</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">SslHandler</a>(SSLEngine engine, Executor delegatedTaskExecutor) {
<a class="jxr_linenumber" name="245" href="#245">245</a>         <strong class="jxr_keyword">this</strong>(engine, getDefaultBufferPool(), delegatedTaskExecutor);
<a class="jxr_linenumber" name="246" href="#246">246</a>     }
<a class="jxr_linenumber" name="247" href="#247">247</a> 
<a class="jxr_linenumber" name="248" href="#248">248</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="249" href="#249">249</a> <em class="jxr_javadoccomment">     * Creates a new instance.</em>
<a class="jxr_linenumber" name="250" href="#250">250</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="251" href="#251">251</a> <em class="jxr_javadoccomment">     * @param engine</em>
<a class="jxr_linenumber" name="252" href="#252">252</a> <em class="jxr_javadoccomment">     *        the {@link SSLEngine} this handler will use</em>
<a class="jxr_linenumber" name="253" href="#253">253</a> <em class="jxr_javadoccomment">     * @param bufferPool</em>
<a class="jxr_linenumber" name="254" href="#254">254</a> <em class="jxr_javadoccomment">     *        the {@link SslBufferPool} where this handler will acquire</em>
<a class="jxr_linenumber" name="255" href="#255">255</a> <em class="jxr_javadoccomment">     *        the buffers required by the {@link SSLEngine}</em>
<a class="jxr_linenumber" name="256" href="#256">256</a> <em class="jxr_javadoccomment">     * @param delegatedTaskExecutor</em>
<a class="jxr_linenumber" name="257" href="#257">257</a> <em class="jxr_javadoccomment">     *        the {@link Executor} which will execute the delegated task</em>
<a class="jxr_linenumber" name="258" href="#258">258</a> <em class="jxr_javadoccomment">     *        that {@link SSLEngine#getDelegatedTask()} will return</em>
<a class="jxr_linenumber" name="259" href="#259">259</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="260" href="#260">260</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">SslHandler</a>(SSLEngine engine, <a href="../../../../../org/jboss/netty/handler/ssl/SslBufferPool.html">SslBufferPool</a> bufferPool, Executor delegatedTaskExecutor) {
<a class="jxr_linenumber" name="261" href="#261">261</a>         <strong class="jxr_keyword">this</strong>(engine, bufferPool, false, delegatedTaskExecutor);
<a class="jxr_linenumber" name="262" href="#262">262</a>     }
<a class="jxr_linenumber" name="263" href="#263">263</a> 
<a class="jxr_linenumber" name="264" href="#264">264</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="265" href="#265">265</a> <em class="jxr_javadoccomment">     * Creates a new instance.</em>
<a class="jxr_linenumber" name="266" href="#266">266</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="267" href="#267">267</a> <em class="jxr_javadoccomment">     * @param engine</em>
<a class="jxr_linenumber" name="268" href="#268">268</a> <em class="jxr_javadoccomment">     *        the {@link SSLEngine} this handler will use</em>
<a class="jxr_linenumber" name="269" href="#269">269</a> <em class="jxr_javadoccomment">     * @param startTls</em>
<a class="jxr_linenumber" name="270" href="#270">270</a> <em class="jxr_javadoccomment">     *        {@code true} if the first write request shouldn't be encrypted</em>
<a class="jxr_linenumber" name="271" href="#271">271</a> <em class="jxr_javadoccomment">     *        by the {@link SSLEngine}</em>
<a class="jxr_linenumber" name="272" href="#272">272</a> <em class="jxr_javadoccomment">     * @param delegatedTaskExecutor</em>
<a class="jxr_linenumber" name="273" href="#273">273</a> <em class="jxr_javadoccomment">     *        the {@link Executor} which will execute the delegated task</em>
<a class="jxr_linenumber" name="274" href="#274">274</a> <em class="jxr_javadoccomment">     *        that {@link SSLEngine#getDelegatedTask()} will return</em>
<a class="jxr_linenumber" name="275" href="#275">275</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="276" href="#276">276</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">SslHandler</a>(SSLEngine engine, <strong class="jxr_keyword">boolean</strong> startTls, Executor delegatedTaskExecutor) {
<a class="jxr_linenumber" name="277" href="#277">277</a>         <strong class="jxr_keyword">this</strong>(engine, getDefaultBufferPool(), startTls, delegatedTaskExecutor);
<a class="jxr_linenumber" name="278" href="#278">278</a>     }
<a class="jxr_linenumber" name="279" href="#279">279</a> 
<a class="jxr_linenumber" name="280" href="#280">280</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="281" href="#281">281</a> <em class="jxr_javadoccomment">     * Creates a new instance.</em>
<a class="jxr_linenumber" name="282" href="#282">282</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="283" href="#283">283</a> <em class="jxr_javadoccomment">     * @param engine</em>
<a class="jxr_linenumber" name="284" href="#284">284</a> <em class="jxr_javadoccomment">     *        the {@link SSLEngine} this handler will use</em>
<a class="jxr_linenumber" name="285" href="#285">285</a> <em class="jxr_javadoccomment">     * @param bufferPool</em>
<a class="jxr_linenumber" name="286" href="#286">286</a> <em class="jxr_javadoccomment">     *        the {@link SslBufferPool} where this handler will acquire</em>
<a class="jxr_linenumber" name="287" href="#287">287</a> <em class="jxr_javadoccomment">     *        the buffers required by the {@link SSLEngine}</em>
<a class="jxr_linenumber" name="288" href="#288">288</a> <em class="jxr_javadoccomment">     * @param startTls</em>
<a class="jxr_linenumber" name="289" href="#289">289</a> <em class="jxr_javadoccomment">     *        {@code true} if the first write request shouldn't be encrypted</em>
<a class="jxr_linenumber" name="290" href="#290">290</a> <em class="jxr_javadoccomment">     *        by the {@link SSLEngine}</em>
<a class="jxr_linenumber" name="291" href="#291">291</a> <em class="jxr_javadoccomment">     * @param delegatedTaskExecutor</em>
<a class="jxr_linenumber" name="292" href="#292">292</a> <em class="jxr_javadoccomment">     *        the {@link Executor} which will execute the delegated task</em>
<a class="jxr_linenumber" name="293" href="#293">293</a> <em class="jxr_javadoccomment">     *        that {@link SSLEngine#getDelegatedTask()} will return</em>
<a class="jxr_linenumber" name="294" href="#294">294</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="295" href="#295">295</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">SslHandler</a>(SSLEngine engine, <a href="../../../../../org/jboss/netty/handler/ssl/SslBufferPool.html">SslBufferPool</a> bufferPool, <strong class="jxr_keyword">boolean</strong> startTls, Executor delegatedTaskExecutor) {
<a class="jxr_linenumber" name="296" href="#296">296</a>         <strong class="jxr_keyword">if</strong> (engine == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="297" href="#297">297</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"engine"</span>);
<a class="jxr_linenumber" name="298" href="#298">298</a>         }
<a class="jxr_linenumber" name="299" href="#299">299</a>         <strong class="jxr_keyword">if</strong> (bufferPool == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="300" href="#300">300</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"bufferPool"</span>);
<a class="jxr_linenumber" name="301" href="#301">301</a>         }
<a class="jxr_linenumber" name="302" href="#302">302</a>         <strong class="jxr_keyword">if</strong> (delegatedTaskExecutor == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="303" href="#303">303</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"delegatedTaskExecutor"</span>);
<a class="jxr_linenumber" name="304" href="#304">304</a>         }
<a class="jxr_linenumber" name="305" href="#305">305</a>         <strong class="jxr_keyword">this</strong>.engine = engine;
<a class="jxr_linenumber" name="306" href="#306">306</a>         <strong class="jxr_keyword">this</strong>.bufferPool = bufferPool;
<a class="jxr_linenumber" name="307" href="#307">307</a>         <strong class="jxr_keyword">this</strong>.delegatedTaskExecutor = delegatedTaskExecutor;
<a class="jxr_linenumber" name="308" href="#308">308</a>         <strong class="jxr_keyword">this</strong>.startTls = startTls;
<a class="jxr_linenumber" name="309" href="#309">309</a>     }
<a class="jxr_linenumber" name="310" href="#310">310</a> 
<a class="jxr_linenumber" name="311" href="#311">311</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="312" href="#312">312</a> <em class="jxr_javadoccomment">     * Returns the {@link SSLEngine} which is used by this handler.</em>
<a class="jxr_linenumber" name="313" href="#313">313</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="314" href="#314">314</a>     <strong class="jxr_keyword">public</strong> SSLEngine getEngine() {
<a class="jxr_linenumber" name="315" href="#315">315</a>         <strong class="jxr_keyword">return</strong> engine;
<a class="jxr_linenumber" name="316" href="#316">316</a>     }
<a class="jxr_linenumber" name="317" href="#317">317</a> 
<a class="jxr_linenumber" name="318" href="#318">318</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="319" href="#319">319</a> <em class="jxr_javadoccomment">     * Starts an SSL / TLS handshake for the specified channel.</em>
<a class="jxr_linenumber" name="320" href="#320">320</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="321" href="#321">321</a> <em class="jxr_javadoccomment">     * @return a {@link ChannelFuture} which is notified when the handshake</em>
<a class="jxr_linenumber" name="322" href="#322">322</a> <em class="jxr_javadoccomment">     *         succeeds or fails.</em>
<a class="jxr_linenumber" name="323" href="#323">323</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="324" href="#324">324</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> handshake() {
<a class="jxr_linenumber" name="325" href="#325">325</a>         <strong class="jxr_keyword">if</strong> (handshaken &amp;&amp; !isEnableRenegotiation()) {
<a class="jxr_linenumber" name="326" href="#326">326</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(<span class="jxr_string">"renegotiation disabled"</span>);
<a class="jxr_linenumber" name="327" href="#327">327</a>         }
<a class="jxr_linenumber" name="328" href="#328">328</a> 
<a class="jxr_linenumber" name="329" href="#329">329</a>         <a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx = <strong class="jxr_keyword">this</strong>.ctx;
<a class="jxr_linenumber" name="330" href="#330">330</a>         <a href="../../../../../org/jboss/netty/channel/Channel.html">Channel</a> channel = ctx.getChannel();
<a class="jxr_linenumber" name="331" href="#331">331</a>         <a href="../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> handshakeFuture;
<a class="jxr_linenumber" name="332" href="#332">332</a>         <strong class="jxr_keyword">synchronized</strong> (handshakeLock) {
<a class="jxr_linenumber" name="333" href="#333">333</a>             <strong class="jxr_keyword">if</strong> (handshaking) {
<a class="jxr_linenumber" name="334" href="#334">334</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>.handshakeFuture;
<a class="jxr_linenumber" name="335" href="#335">335</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="336" href="#336">336</a>                 handshaking = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="337" href="#337">337</a>                 <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="338" href="#338">338</a>                     engine.beginHandshake();
<a class="jxr_linenumber" name="339" href="#339">339</a>                     runDelegatedTasks();
<a class="jxr_linenumber" name="340" href="#340">340</a>                     handshakeFuture = <strong class="jxr_keyword">this</strong>.handshakeFuture = future(channel);
<a class="jxr_linenumber" name="341" href="#341">341</a>                 } <strong class="jxr_keyword">catch</strong> (SSLException e) {
<a class="jxr_linenumber" name="342" href="#342">342</a>                     handshakeFuture = <strong class="jxr_keyword">this</strong>.handshakeFuture = failedFuture(channel, e);
<a class="jxr_linenumber" name="343" href="#343">343</a>                 }
<a class="jxr_linenumber" name="344" href="#344">344</a>             }
<a class="jxr_linenumber" name="345" href="#345">345</a>         }
<a class="jxr_linenumber" name="346" href="#346">346</a> 
<a class="jxr_linenumber" name="347" href="#347">347</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="348" href="#348">348</a>             wrapNonAppData(ctx, channel);
<a class="jxr_linenumber" name="349" href="#349">349</a>         } <strong class="jxr_keyword">catch</strong> (SSLException e) {
<a class="jxr_linenumber" name="350" href="#350">350</a>             handshakeFuture.setFailure(e);
<a class="jxr_linenumber" name="351" href="#351">351</a>         }
<a class="jxr_linenumber" name="352" href="#352">352</a>         <strong class="jxr_keyword">return</strong> handshakeFuture;
<a class="jxr_linenumber" name="353" href="#353">353</a>     }
<a class="jxr_linenumber" name="354" href="#354">354</a> 
<a class="jxr_linenumber" name="355" href="#355">355</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="356" href="#356">356</a> <em class="jxr_javadoccomment">     * @deprecated Use {@link #handshake()} instead.</em>
<a class="jxr_linenumber" name="357" href="#357">357</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="358" href="#358">358</a>     @Deprecated
<a class="jxr_linenumber" name="359" href="#359">359</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> handshake(@SuppressWarnings(<span class="jxr_string">"unused"</span>) <a href="../../../../../org/jboss/netty/channel/Channel.html">Channel</a> channel) {
<a class="jxr_linenumber" name="360" href="#360">360</a>         <strong class="jxr_keyword">return</strong> handshake();
<a class="jxr_linenumber" name="361" href="#361">361</a>     }
<a class="jxr_linenumber" name="362" href="#362">362</a> 
<a class="jxr_linenumber" name="363" href="#363">363</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="364" href="#364">364</a> <em class="jxr_javadoccomment">     * Sends an SSL {@code close_notify} message to the specified channel and</em>
<a class="jxr_linenumber" name="365" href="#365">365</a> <em class="jxr_javadoccomment">     * destroys the underlying {@link SSLEngine}.</em>
<a class="jxr_linenumber" name="366" href="#366">366</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="367" href="#367">367</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> close() {
<a class="jxr_linenumber" name="368" href="#368">368</a>         <a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx = <strong class="jxr_keyword">this</strong>.ctx;
<a class="jxr_linenumber" name="369" href="#369">369</a>         <a href="../../../../../org/jboss/netty/channel/Channel.html">Channel</a> channel = ctx.getChannel();
<a class="jxr_linenumber" name="370" href="#370">370</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="371" href="#371">371</a>             engine.closeOutbound();
<a class="jxr_linenumber" name="372" href="#372">372</a>             <strong class="jxr_keyword">return</strong> wrapNonAppData(ctx, channel);
<a class="jxr_linenumber" name="373" href="#373">373</a>         } <strong class="jxr_keyword">catch</strong> (SSLException e) {
<a class="jxr_linenumber" name="374" href="#374">374</a>             <strong class="jxr_keyword">return</strong> failedFuture(channel, e);
<a class="jxr_linenumber" name="375" href="#375">375</a>         }
<a class="jxr_linenumber" name="376" href="#376">376</a>     }
<a class="jxr_linenumber" name="377" href="#377">377</a> 
<a class="jxr_linenumber" name="378" href="#378">378</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="379" href="#379">379</a> <em class="jxr_javadoccomment">     * @deprecated Use {@link #close()} instead.</em>
<a class="jxr_linenumber" name="380" href="#380">380</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="381" href="#381">381</a>     @Deprecated
<a class="jxr_linenumber" name="382" href="#382">382</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> close(@SuppressWarnings(<span class="jxr_string">"unused"</span>) <a href="../../../../../org/jboss/netty/channel/Channel.html">Channel</a> channel) {
<a class="jxr_linenumber" name="383" href="#383">383</a>         <strong class="jxr_keyword">return</strong> close();
<a class="jxr_linenumber" name="384" href="#384">384</a>     }
<a class="jxr_linenumber" name="385" href="#385">385</a> 
<a class="jxr_linenumber" name="386" href="#386">386</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="387" href="#387">387</a> <em class="jxr_javadoccomment">     * Returns {@code true} if and only if TLS renegotiation is enabled.</em>
<a class="jxr_linenumber" name="388" href="#388">388</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="389" href="#389">389</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isEnableRenegotiation() {
<a class="jxr_linenumber" name="390" href="#390">390</a>         <strong class="jxr_keyword">return</strong> enableRenegotiation;
<a class="jxr_linenumber" name="391" href="#391">391</a>     }
<a class="jxr_linenumber" name="392" href="#392">392</a> 
<a class="jxr_linenumber" name="393" href="#393">393</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="394" href="#394">394</a> <em class="jxr_javadoccomment">     * Enables or disables TLS renegotiation.</em>
<a class="jxr_linenumber" name="395" href="#395">395</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="396" href="#396">396</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setEnableRenegotiation(<strong class="jxr_keyword">boolean</strong> enableRenegotiation) {
<a class="jxr_linenumber" name="397" href="#397">397</a>         <strong class="jxr_keyword">this</strong>.enableRenegotiation = enableRenegotiation;
<a class="jxr_linenumber" name="398" href="#398">398</a>     }
<a class="jxr_linenumber" name="399" href="#399">399</a> 
<a class="jxr_linenumber" name="400" href="#400">400</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> handleDownstream(
<a class="jxr_linenumber" name="401" href="#401">401</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> context, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/channel/ChannelEvent.html">ChannelEvent</a> evt) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="402" href="#402">402</a>         <strong class="jxr_keyword">if</strong> (evt instanceof ChannelStateEvent) {
<a class="jxr_linenumber" name="403" href="#403">403</a>             <a href="../../../../../org/jboss/netty/channel/ChannelStateEvent.html">ChannelStateEvent</a> e = (ChannelStateEvent) evt;
<a class="jxr_linenumber" name="404" href="#404">404</a>             <strong class="jxr_keyword">switch</strong> (e.getState()) {
<a class="jxr_linenumber" name="405" href="#405">405</a>             <strong class="jxr_keyword">case</strong> OPEN:
<a class="jxr_linenumber" name="406" href="#406">406</a>             <strong class="jxr_keyword">case</strong> CONNECTED:
<a class="jxr_linenumber" name="407" href="#407">407</a>             <strong class="jxr_keyword">case</strong> BOUND:
<a class="jxr_linenumber" name="408" href="#408">408</a>                 <strong class="jxr_keyword">if</strong> (Boolean.FALSE.equals(e.getValue()) || e.getValue() == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="409" href="#409">409</a>                     closeOutboundAndChannel(context, e);
<a class="jxr_linenumber" name="410" href="#410">410</a>                     <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="411" href="#411">411</a>                 }
<a class="jxr_linenumber" name="412" href="#412">412</a>             }
<a class="jxr_linenumber" name="413" href="#413">413</a>         }
<a class="jxr_linenumber" name="414" href="#414">414</a>         <strong class="jxr_keyword">if</strong> (!(evt instanceof MessageEvent)) {
<a class="jxr_linenumber" name="415" href="#415">415</a>             context.sendDownstream(evt);
<a class="jxr_linenumber" name="416" href="#416">416</a>             <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="417" href="#417">417</a>         }
<a class="jxr_linenumber" name="418" href="#418">418</a> 
<a class="jxr_linenumber" name="419" href="#419">419</a>         <a href="../../../../../org/jboss/netty/channel/MessageEvent.html">MessageEvent</a> e = (MessageEvent) evt;
<a class="jxr_linenumber" name="420" href="#420">420</a>         <strong class="jxr_keyword">if</strong> (!(e.getMessage() instanceof ChannelBuffer)) {
<a class="jxr_linenumber" name="421" href="#421">421</a>             context.sendDownstream(evt);
<a class="jxr_linenumber" name="422" href="#422">422</a>             <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="423" href="#423">423</a>         }
<a class="jxr_linenumber" name="424" href="#424">424</a> 
<a class="jxr_linenumber" name="425" href="#425">425</a>         <em class="jxr_comment">// Do not encrypt the first write request if this handler is</em>
<a class="jxr_linenumber" name="426" href="#426">426</a>         <em class="jxr_comment">// created with startTLS flag turned on.</em>
<a class="jxr_linenumber" name="427" href="#427">427</a>         <strong class="jxr_keyword">if</strong> (startTls &amp;&amp; sentFirstMessage.compareAndSet(false, <strong class="jxr_keyword">true</strong>)) {
<a class="jxr_linenumber" name="428" href="#428">428</a>             context.sendDownstream(evt);
<a class="jxr_linenumber" name="429" href="#429">429</a>             <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="430" href="#430">430</a>         }
<a class="jxr_linenumber" name="431" href="#431">431</a> 
<a class="jxr_linenumber" name="432" href="#432">432</a>         <em class="jxr_comment">// Otherwise, all messages are encrypted.</em>
<a class="jxr_linenumber" name="433" href="#433">433</a>         <a href="../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> msg = (ChannelBuffer) e.getMessage();
<a class="jxr_linenumber" name="434" href="#434">434</a>         <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">PendingWrite</a> pendingWrite;
<a class="jxr_linenumber" name="435" href="#435">435</a> 
<a class="jxr_linenumber" name="436" href="#436">436</a>         <strong class="jxr_keyword">if</strong> (msg.readable()) {
<a class="jxr_linenumber" name="437" href="#437">437</a>             pendingWrite = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">PendingWrite</a>(evt.getFuture(), msg.toByteBuffer(msg.readerIndex(), msg.readableBytes()));
<a class="jxr_linenumber" name="438" href="#438">438</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="439" href="#439">439</a>             pendingWrite = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">PendingWrite</a>(evt.getFuture(), <strong class="jxr_keyword">null</strong>);
<a class="jxr_linenumber" name="440" href="#440">440</a>         }
<a class="jxr_linenumber" name="441" href="#441">441</a>         <strong class="jxr_keyword">synchronized</strong> (pendingUnencryptedWrites) {
<a class="jxr_linenumber" name="442" href="#442">442</a>             <strong class="jxr_keyword">boolean</strong> offered = pendingUnencryptedWrites.offer(pendingWrite);
<a class="jxr_linenumber" name="443" href="#443">443</a>             assert offered;
<a class="jxr_linenumber" name="444" href="#444">444</a>         }
<a class="jxr_linenumber" name="445" href="#445">445</a> 
<a class="jxr_linenumber" name="446" href="#446">446</a>         wrap(context, evt.getChannel());
<a class="jxr_linenumber" name="447" href="#447">447</a>     }
<a class="jxr_linenumber" name="448" href="#448">448</a> 
<a class="jxr_linenumber" name="449" href="#449">449</a>     @Override
<a class="jxr_linenumber" name="450" href="#450">450</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> channelDisconnected(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx,
<a class="jxr_linenumber" name="451" href="#451">451</a>             <a href="../../../../../org/jboss/netty/channel/ChannelStateEvent.html">ChannelStateEvent</a> e) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="452" href="#452">452</a> 
<a class="jxr_linenumber" name="453" href="#453">453</a>         <em class="jxr_comment">// Make sure the handshake future is notified when a connection has</em>
<a class="jxr_linenumber" name="454" href="#454">454</a>         <em class="jxr_comment">// been closed during handshake.</em>
<a class="jxr_linenumber" name="455" href="#455">455</a>         <strong class="jxr_keyword">synchronized</strong> (handshakeLock) {
<a class="jxr_linenumber" name="456" href="#456">456</a>             <strong class="jxr_keyword">if</strong> (handshaking) {
<a class="jxr_linenumber" name="457" href="#457">457</a>                 handshakeFuture.setFailure(<strong class="jxr_keyword">new</strong> ClosedChannelException());
<a class="jxr_linenumber" name="458" href="#458">458</a>             }
<a class="jxr_linenumber" name="459" href="#459">459</a>         }
<a class="jxr_linenumber" name="460" href="#460">460</a> 
<a class="jxr_linenumber" name="461" href="#461">461</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="462" href="#462">462</a>             <strong class="jxr_keyword">super</strong>.channelDisconnected(ctx, e);
<a class="jxr_linenumber" name="463" href="#463">463</a>         } <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="464" href="#464">464</a>             unwrap(ctx, e.getChannel(), ChannelBuffers.EMPTY_BUFFER, 0, 0);
<a class="jxr_linenumber" name="465" href="#465">465</a>             engine.closeOutbound();
<a class="jxr_linenumber" name="466" href="#466">466</a>             <strong class="jxr_keyword">if</strong> (!sentCloseNotify.get() &amp;&amp; handshaken) {
<a class="jxr_linenumber" name="467" href="#467">467</a>                 <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="468" href="#468">468</a>                     engine.closeInbound();
<a class="jxr_linenumber" name="469" href="#469">469</a>                 } <strong class="jxr_keyword">catch</strong> (SSLException ex) {
<a class="jxr_linenumber" name="470" href="#470">470</a>                     logger.debug(<span class="jxr_string">"Failed to clean up SSLEngine."</span>, ex);
<a class="jxr_linenumber" name="471" href="#471">471</a>                 }
<a class="jxr_linenumber" name="472" href="#472">472</a>             }
<a class="jxr_linenumber" name="473" href="#473">473</a>         }
<a class="jxr_linenumber" name="474" href="#474">474</a>     }
<a class="jxr_linenumber" name="475" href="#475">475</a> 
<a class="jxr_linenumber" name="476" href="#476">476</a>     @Override
<a class="jxr_linenumber" name="477" href="#477">477</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> exceptionCaught(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../../org/jboss/netty/channel/ExceptionEvent.html">ExceptionEvent</a> e)
<a class="jxr_linenumber" name="478" href="#478">478</a>             <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="479" href="#479">479</a> 
<a class="jxr_linenumber" name="480" href="#480">480</a>         Throwable cause = e.getCause();
<a class="jxr_linenumber" name="481" href="#481">481</a>         <strong class="jxr_keyword">if</strong> (cause instanceof IOException) {
<a class="jxr_linenumber" name="482" href="#482">482</a>             <strong class="jxr_keyword">if</strong> (cause instanceof ClosedChannelException) {
<a class="jxr_linenumber" name="483" href="#483">483</a>                 <strong class="jxr_keyword">synchronized</strong> (ignoreClosedChannelExceptionLock) {
<a class="jxr_linenumber" name="484" href="#484">484</a>                     <strong class="jxr_keyword">if</strong> (ignoreClosedChannelException &gt; 0) {
<a class="jxr_linenumber" name="485" href="#485">485</a>                         ignoreClosedChannelException --;
<a class="jxr_linenumber" name="486" href="#486">486</a>                         logger.debug(
<a class="jxr_linenumber" name="487" href="#487">487</a>                                 <span class="jxr_string">"Swallowing an exception raised while "</span> +
<a class="jxr_linenumber" name="488" href="#488">488</a>                                 <span class="jxr_string">"writing non-app data"</span>, cause);
<a class="jxr_linenumber" name="489" href="#489">489</a>                         <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="490" href="#490">490</a>                     }
<a class="jxr_linenumber" name="491" href="#491">491</a>                 }
<a class="jxr_linenumber" name="492" href="#492">492</a>             } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (engine.isOutboundDone()) {
<a class="jxr_linenumber" name="493" href="#493">493</a>                 String message = String.valueOf(cause.getMessage()).toLowerCase();
<a class="jxr_linenumber" name="494" href="#494">494</a>                 <strong class="jxr_keyword">if</strong> (IGNORABLE_ERROR_MESSAGE.matcher(message).matches()) {
<a class="jxr_linenumber" name="495" href="#495">495</a>                     <em class="jxr_comment">// It is safe to ignore the 'connection reset by peer' or</em>
<a class="jxr_linenumber" name="496" href="#496">496</a>                     <em class="jxr_comment">// 'broken pipe' error after sending closure_notify.</em>
<a class="jxr_linenumber" name="497" href="#497">497</a>                     logger.debug(
<a class="jxr_linenumber" name="498" href="#498">498</a>                             <span class="jxr_string">"Swallowing a 'connection reset by peer / "</span> +
<a class="jxr_linenumber" name="499" href="#499">499</a>                             <span class="jxr_string">"broken pipe' error occurred while writing "</span> +
<a class="jxr_linenumber" name="500" href="#500">500</a>                             <span class="jxr_string">"'closure_notify'"</span>, cause);
<a class="jxr_linenumber" name="501" href="#501">501</a> 
<a class="jxr_linenumber" name="502" href="#502">502</a>                     <em class="jxr_comment">// Close the connection explicitly just in case the transport</em>
<a class="jxr_linenumber" name="503" href="#503">503</a>                     <em class="jxr_comment">// did not close the connection automatically.</em>
<a class="jxr_linenumber" name="504" href="#504">504</a>                     Channels.close(ctx, succeededFuture(e.getChannel()));
<a class="jxr_linenumber" name="505" href="#505">505</a>                     <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="506" href="#506">506</a>                 }
<a class="jxr_linenumber" name="507" href="#507">507</a>             }
<a class="jxr_linenumber" name="508" href="#508">508</a>         }
<a class="jxr_linenumber" name="509" href="#509">509</a> 
<a class="jxr_linenumber" name="510" href="#510">510</a>         ctx.sendUpstream(e);
<a class="jxr_linenumber" name="511" href="#511">511</a>     }
<a class="jxr_linenumber" name="512" href="#512">512</a> 
<a class="jxr_linenumber" name="513" href="#513">513</a>     @Override
<a class="jxr_linenumber" name="514" href="#514">514</a>     <strong class="jxr_keyword">protected</strong> Object decode(
<a class="jxr_linenumber" name="515" href="#515">515</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../../org/jboss/netty/channel/Channel.html">Channel</a> channel, <a href="../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> buffer) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="516" href="#516">516</a> 
<a class="jxr_linenumber" name="517" href="#517">517</a>         <strong class="jxr_keyword">if</strong> (buffer.readableBytes() &lt; 5) {
<a class="jxr_linenumber" name="518" href="#518">518</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="519" href="#519">519</a>         }
<a class="jxr_linenumber" name="520" href="#520">520</a> 
<a class="jxr_linenumber" name="521" href="#521">521</a>         <strong class="jxr_keyword">int</strong> packetLength = 0;
<a class="jxr_linenumber" name="522" href="#522">522</a> 
<a class="jxr_linenumber" name="523" href="#523">523</a>         <em class="jxr_comment">// SSLv3 or TLS - Check ContentType</em>
<a class="jxr_linenumber" name="524" href="#524">524</a>         <strong class="jxr_keyword">boolean</strong> tls;
<a class="jxr_linenumber" name="525" href="#525">525</a>         <strong class="jxr_keyword">switch</strong> (buffer.getUnsignedByte(buffer.readerIndex())) {
<a class="jxr_linenumber" name="526" href="#526">526</a>         <strong class="jxr_keyword">case</strong> 20:  <em class="jxr_comment">// change_cipher_spec</em>
<a class="jxr_linenumber" name="527" href="#527">527</a>         <strong class="jxr_keyword">case</strong> 21:  <em class="jxr_comment">// alert</em>
<a class="jxr_linenumber" name="528" href="#528">528</a>         <strong class="jxr_keyword">case</strong> 22:  <em class="jxr_comment">// handshake</em>
<a class="jxr_linenumber" name="529" href="#529">529</a>         <strong class="jxr_keyword">case</strong> 23:  <em class="jxr_comment">// application_data</em>
<a class="jxr_linenumber" name="530" href="#530">530</a>             tls = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="531" href="#531">531</a>             <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="532" href="#532">532</a>         <strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="533" href="#533">533</a>             <em class="jxr_comment">// SSLv2 or bad data</em>
<a class="jxr_linenumber" name="534" href="#534">534</a>             tls = false;
<a class="jxr_linenumber" name="535" href="#535">535</a>         }
<a class="jxr_linenumber" name="536" href="#536">536</a> 
<a class="jxr_linenumber" name="537" href="#537">537</a>         <strong class="jxr_keyword">if</strong> (tls) {
<a class="jxr_linenumber" name="538" href="#538">538</a>             <em class="jxr_comment">// SSLv3 or TLS - Check ProtocolVersion</em>
<a class="jxr_linenumber" name="539" href="#539">539</a>             <strong class="jxr_keyword">int</strong> majorVersion = buffer.getUnsignedByte(buffer.readerIndex() + 1);
<a class="jxr_linenumber" name="540" href="#540">540</a>             <strong class="jxr_keyword">if</strong> (majorVersion &gt;= 3 &amp;&amp; majorVersion &lt; 10) {
<a class="jxr_linenumber" name="541" href="#541">541</a>                 <em class="jxr_comment">// SSLv3 or TLS</em>
<a class="jxr_linenumber" name="542" href="#542">542</a>                 packetLength = (getShort(buffer, buffer.readerIndex() + 3) &amp; 0xFFFF) + 5;
<a class="jxr_linenumber" name="543" href="#543">543</a>                 <strong class="jxr_keyword">if</strong> (packetLength &lt;= 5) {
<a class="jxr_linenumber" name="544" href="#544">544</a>                     <em class="jxr_comment">// Neither SSLv2 or TLSv1 (i.e. SSLv2 or bad data)</em>
<a class="jxr_linenumber" name="545" href="#545">545</a>                     tls = false;
<a class="jxr_linenumber" name="546" href="#546">546</a>                 }
<a class="jxr_linenumber" name="547" href="#547">547</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="548" href="#548">548</a>                 <em class="jxr_comment">// Neither SSLv2 or TLSv1 (i.e. SSLv2 or bad data)</em>
<a class="jxr_linenumber" name="549" href="#549">549</a>                 tls = false;
<a class="jxr_linenumber" name="550" href="#550">550</a>             }
<a class="jxr_linenumber" name="551" href="#551">551</a>         }
<a class="jxr_linenumber" name="552" href="#552">552</a> 
<a class="jxr_linenumber" name="553" href="#553">553</a>         <strong class="jxr_keyword">if</strong> (!tls) {
<a class="jxr_linenumber" name="554" href="#554">554</a>             <em class="jxr_comment">// SSLv2 or bad data - Check the version</em>
<a class="jxr_linenumber" name="555" href="#555">555</a>             <strong class="jxr_keyword">boolean</strong> sslv2 = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="556" href="#556">556</a>             <strong class="jxr_keyword">int</strong> headerLength = (buffer.getUnsignedByte(
<a class="jxr_linenumber" name="557" href="#557">557</a>                     buffer.readerIndex()) &amp; 0x80) != 0 ? 2 : 3;
<a class="jxr_linenumber" name="558" href="#558">558</a>             <strong class="jxr_keyword">int</strong> majorVersion = buffer.getUnsignedByte(
<a class="jxr_linenumber" name="559" href="#559">559</a>                     buffer.readerIndex() + headerLength + 1);
<a class="jxr_linenumber" name="560" href="#560">560</a>             <strong class="jxr_keyword">if</strong> (majorVersion &gt;= 2 &amp;&amp; majorVersion &lt; 10) {
<a class="jxr_linenumber" name="561" href="#561">561</a>                 <em class="jxr_comment">// SSLv2</em>
<a class="jxr_linenumber" name="562" href="#562">562</a>                 <strong class="jxr_keyword">if</strong> (headerLength == 2) {
<a class="jxr_linenumber" name="563" href="#563">563</a>                     packetLength = (getShort(buffer, buffer.readerIndex()) &amp; 0x7FFF) + 2;
<a class="jxr_linenumber" name="564" href="#564">564</a>                 } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="565" href="#565">565</a>                     packetLength = (getShort(buffer, buffer.readerIndex()) &amp; 0x3FFF) + 3;
<a class="jxr_linenumber" name="566" href="#566">566</a>                 }
<a class="jxr_linenumber" name="567" href="#567">567</a>                 <strong class="jxr_keyword">if</strong> (packetLength &lt;= headerLength) {
<a class="jxr_linenumber" name="568" href="#568">568</a>                     sslv2 = false;
<a class="jxr_linenumber" name="569" href="#569">569</a>                 }
<a class="jxr_linenumber" name="570" href="#570">570</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="571" href="#571">571</a>                 sslv2 = false;
<a class="jxr_linenumber" name="572" href="#572">572</a>             }
<a class="jxr_linenumber" name="573" href="#573">573</a> 
<a class="jxr_linenumber" name="574" href="#574">574</a>             <strong class="jxr_keyword">if</strong> (!sslv2) {
<a class="jxr_linenumber" name="575" href="#575">575</a>                 <em class="jxr_comment">// Bad data - discard the buffer and raise an exception.</em>
<a class="jxr_linenumber" name="576" href="#576">576</a>                 SSLException e = <strong class="jxr_keyword">new</strong> SSLException(
<a class="jxr_linenumber" name="577" href="#577">577</a>                         <span class="jxr_string">"not an SSL/TLS record: "</span> + ChannelBuffers.hexDump(buffer));
<a class="jxr_linenumber" name="578" href="#578">578</a>                 buffer.skipBytes(buffer.readableBytes());
<a class="jxr_linenumber" name="579" href="#579">579</a>                 <strong class="jxr_keyword">throw</strong> e;
<a class="jxr_linenumber" name="580" href="#580">580</a>             }
<a class="jxr_linenumber" name="581" href="#581">581</a>         }
<a class="jxr_linenumber" name="582" href="#582">582</a> 
<a class="jxr_linenumber" name="583" href="#583">583</a>         assert packetLength &gt; 0;
<a class="jxr_linenumber" name="584" href="#584">584</a> 
<a class="jxr_linenumber" name="585" href="#585">585</a>         <strong class="jxr_keyword">if</strong> (buffer.readableBytes() &lt; packetLength) {
<a class="jxr_linenumber" name="586" href="#586">586</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="587" href="#587">587</a>         }
<a class="jxr_linenumber" name="588" href="#588">588</a> 
<a class="jxr_linenumber" name="589" href="#589">589</a>         <em class="jxr_comment">// We advance the buffer's readerIndex before calling unwrap() because</em>
<a class="jxr_linenumber" name="590" href="#590">590</a>         <em class="jxr_comment">// unwrap() can trigger FrameDecoder call decode(), this method, recursively.</em>
<a class="jxr_linenumber" name="591" href="#591">591</a>         <em class="jxr_comment">// The recursive call results in decoding the same packet twice if</em>
<a class="jxr_linenumber" name="592" href="#592">592</a>         <em class="jxr_comment">// the readerIndex is advanced *after* decode().</em>
<a class="jxr_linenumber" name="593" href="#593">593</a>         <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="594" href="#594">594</a>         <em class="jxr_comment">// Here's an example:</em>
<a class="jxr_linenumber" name="595" href="#595">595</a>         <em class="jxr_comment">// 1) An SSL packet is received from the wire.</em>
<a class="jxr_linenumber" name="596" href="#596">596</a>         <em class="jxr_comment">// 2) SslHandler.decode() deciphers the packet and calls the user code.</em>
<a class="jxr_linenumber" name="597" href="#597">597</a>         <em class="jxr_comment">// 3) The user closes the channel in the same thread.</em>
<a class="jxr_linenumber" name="598" href="#598">598</a>         <em class="jxr_comment">// 4) The same thread triggers a channelDisconnected() event.</em>
<a class="jxr_linenumber" name="599" href="#599">599</a>         <em class="jxr_comment">// 5) FrameDecoder.cleanup() is called, and it calls SslHandler.decode().</em>
<a class="jxr_linenumber" name="600" href="#600">600</a>         <em class="jxr_comment">// 6) SslHandler.decode() will feed the same packet with what was</em>
<a class="jxr_linenumber" name="601" href="#601">601</a>         <em class="jxr_comment">//    deciphered at the step 2 again if the readerIndex was not advanced</em>
<a class="jxr_linenumber" name="602" href="#602">602</a>         <em class="jxr_comment">//    before calling the user code.</em>
<a class="jxr_linenumber" name="603" href="#603">603</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> packetOffset = buffer.readerIndex();
<a class="jxr_linenumber" name="604" href="#604">604</a>         buffer.skipBytes(packetLength);
<a class="jxr_linenumber" name="605" href="#605">605</a>         <strong class="jxr_keyword">return</strong> unwrap(ctx, channel, buffer, packetOffset, packetLength);
<a class="jxr_linenumber" name="606" href="#606">606</a>     }
<a class="jxr_linenumber" name="607" href="#607">607</a> 
<a class="jxr_linenumber" name="608" href="#608">608</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="609" href="#609">609</a> <em class="jxr_javadoccomment">     * Reads a big-endian short integer from the buffer.  Please note that we do not use</em>
<a class="jxr_linenumber" name="610" href="#610">610</a> <em class="jxr_javadoccomment">     * {@link ChannelBuffer#getShort(int)} because it might be a little-endian buffer.</em>
<a class="jxr_linenumber" name="611" href="#611">611</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="612" href="#612">612</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">short</strong> getShort(<a href="../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> buf, <strong class="jxr_keyword">int</strong> offset) {
<a class="jxr_linenumber" name="613" href="#613">613</a>         <strong class="jxr_keyword">return</strong> (<strong class="jxr_keyword">short</strong>) (buf.getByte(offset) &lt;&lt; 8 | buf.getByte(offset + 1) &amp; 0xFF);
<a class="jxr_linenumber" name="614" href="#614">614</a>     }
<a class="jxr_linenumber" name="615" href="#615">615</a> 
<a class="jxr_linenumber" name="616" href="#616">616</a>     <strong class="jxr_keyword">private</strong> <a href="../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> wrap(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> context, <a href="../../../../../org/jboss/netty/channel/Channel.html">Channel</a> channel)
<a class="jxr_linenumber" name="617" href="#617">617</a>             <strong class="jxr_keyword">throws</strong> SSLException {
<a class="jxr_linenumber" name="618" href="#618">618</a> 
<a class="jxr_linenumber" name="619" href="#619">619</a>         <a href="../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> future = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="620" href="#620">620</a>         <a href="../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> msg;
<a class="jxr_linenumber" name="621" href="#621">621</a>         ByteBuffer outNetBuf = bufferPool.acquire();
<a class="jxr_linenumber" name="622" href="#622">622</a>         <strong class="jxr_keyword">boolean</strong> success = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="623" href="#623">623</a>         <strong class="jxr_keyword">boolean</strong> offered = false;
<a class="jxr_linenumber" name="624" href="#624">624</a>         <strong class="jxr_keyword">boolean</strong> needsUnwrap = false;
<a class="jxr_linenumber" name="625" href="#625">625</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="626" href="#626">626</a>             loop:
<a class="jxr_linenumber" name="627" href="#627">627</a>             <strong class="jxr_keyword">for</strong> (;;) {
<a class="jxr_linenumber" name="628" href="#628">628</a>                 <em class="jxr_comment">// Acquire a lock to make sure unencrypted data is polled</em>
<a class="jxr_linenumber" name="629" href="#629">629</a>                 <em class="jxr_comment">// in order and their encrypted counterpart is offered in</em>
<a class="jxr_linenumber" name="630" href="#630">630</a>                 <em class="jxr_comment">// order.</em>
<a class="jxr_linenumber" name="631" href="#631">631</a>                 <strong class="jxr_keyword">synchronized</strong> (pendingUnencryptedWrites) {
<a class="jxr_linenumber" name="632" href="#632">632</a>                     <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">PendingWrite</a> pendingWrite = pendingUnencryptedWrites.peek();
<a class="jxr_linenumber" name="633" href="#633">633</a>                     <strong class="jxr_keyword">if</strong> (pendingWrite == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="634" href="#634">634</a>                         <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="635" href="#635">635</a>                     }
<a class="jxr_linenumber" name="636" href="#636">636</a> 
<a class="jxr_linenumber" name="637" href="#637">637</a>                     ByteBuffer outAppBuf = pendingWrite.outAppBuf;
<a class="jxr_linenumber" name="638" href="#638">638</a>                     <strong class="jxr_keyword">if</strong> (outAppBuf == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="639" href="#639">639</a>                         <em class="jxr_comment">// A write request with an empty buffer</em>
<a class="jxr_linenumber" name="640" href="#640">640</a>                         pendingUnencryptedWrites.remove();
<a class="jxr_linenumber" name="641" href="#641">641</a>                         offerEncryptedWriteRequest(
<a class="jxr_linenumber" name="642" href="#642">642</a>                                 <strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/channel/DownstreamMessageEvent.html">DownstreamMessageEvent</a>(
<a class="jxr_linenumber" name="643" href="#643">643</a>                                         channel, pendingWrite.future,
<a class="jxr_linenumber" name="644" href="#644">644</a>                                         ChannelBuffers.EMPTY_BUFFER,
<a class="jxr_linenumber" name="645" href="#645">645</a>                                         channel.getRemoteAddress()));
<a class="jxr_linenumber" name="646" href="#646">646</a>                         offered = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="647" href="#647">647</a>                     } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="648" href="#648">648</a>                         SSLEngineResult result = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="649" href="#649">649</a>                         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="650" href="#650">650</a>                             <strong class="jxr_keyword">synchronized</strong> (handshakeLock) {
<a class="jxr_linenumber" name="651" href="#651">651</a>                                 result = engine.wrap(outAppBuf, outNetBuf);
<a class="jxr_linenumber" name="652" href="#652">652</a>                             }
<a class="jxr_linenumber" name="653" href="#653">653</a>                         } <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="654" href="#654">654</a>                             <strong class="jxr_keyword">if</strong> (!outAppBuf.hasRemaining()) {
<a class="jxr_linenumber" name="655" href="#655">655</a>                                 pendingUnencryptedWrites.remove();
<a class="jxr_linenumber" name="656" href="#656">656</a>                             }
<a class="jxr_linenumber" name="657" href="#657">657</a>                         }
<a class="jxr_linenumber" name="658" href="#658">658</a> 
<a class="jxr_linenumber" name="659" href="#659">659</a>                         <strong class="jxr_keyword">if</strong> (result.bytesProduced() &gt; 0) {
<a class="jxr_linenumber" name="660" href="#660">660</a>                             outNetBuf.flip();
<a class="jxr_linenumber" name="661" href="#661">661</a>                             msg = ChannelBuffers.buffer(outNetBuf.remaining());
<a class="jxr_linenumber" name="662" href="#662">662</a>                             msg.writeBytes(outNetBuf.array(), 0, msg.capacity());
<a class="jxr_linenumber" name="663" href="#663">663</a>                             outNetBuf.clear();
<a class="jxr_linenumber" name="664" href="#664">664</a> 
<a class="jxr_linenumber" name="665" href="#665">665</a>                             <strong class="jxr_keyword">if</strong> (pendingWrite.outAppBuf.hasRemaining()) {
<a class="jxr_linenumber" name="666" href="#666">666</a>                                 <em class="jxr_comment">// pendingWrite's future shouldn't be notified if</em>
<a class="jxr_linenumber" name="667" href="#667">667</a>                                 <em class="jxr_comment">// only partial data is written.</em>
<a class="jxr_linenumber" name="668" href="#668">668</a>                                 future = succeededFuture(channel);
<a class="jxr_linenumber" name="669" href="#669">669</a>                             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="670" href="#670">670</a>                                 future = pendingWrite.future;
<a class="jxr_linenumber" name="671" href="#671">671</a>                             }
<a class="jxr_linenumber" name="672" href="#672">672</a> 
<a class="jxr_linenumber" name="673" href="#673">673</a>                             <a href="../../../../../org/jboss/netty/channel/MessageEvent.html">MessageEvent</a> encryptedWrite = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/channel/DownstreamMessageEvent.html">DownstreamMessageEvent</a>(
<a class="jxr_linenumber" name="674" href="#674">674</a>                                     channel, future, msg, channel.getRemoteAddress());
<a class="jxr_linenumber" name="675" href="#675">675</a>                             offerEncryptedWriteRequest(encryptedWrite);
<a class="jxr_linenumber" name="676" href="#676">676</a>                             offered = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="677" href="#677">677</a>                         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (result.getStatus() == Status.CLOSED) {
<a class="jxr_linenumber" name="678" href="#678">678</a>                             <em class="jxr_comment">// SSLEngine has been closed already.</em>
<a class="jxr_linenumber" name="679" href="#679">679</a>                             <em class="jxr_comment">// Any further write attempts should be denied.</em>
<a class="jxr_linenumber" name="680" href="#680">680</a>                             success = false;
<a class="jxr_linenumber" name="681" href="#681">681</a>                             <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="682" href="#682">682</a>                         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="683" href="#683">683</a>                             <strong class="jxr_keyword">final</strong> HandshakeStatus handshakeStatus = result.getHandshakeStatus();
<a class="jxr_linenumber" name="684" href="#684">684</a>                             handleRenegotiation(handshakeStatus);
<a class="jxr_linenumber" name="685" href="#685">685</a>                             <strong class="jxr_keyword">switch</strong> (handshakeStatus) {
<a class="jxr_linenumber" name="686" href="#686">686</a>                             <strong class="jxr_keyword">case</strong> NEED_WRAP:
<a class="jxr_linenumber" name="687" href="#687">687</a>                                 <strong class="jxr_keyword">if</strong> (outAppBuf.hasRemaining()) {
<a class="jxr_linenumber" name="688" href="#688">688</a>                                     <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="689" href="#689">689</a>                                 } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="690" href="#690">690</a>                                     <strong class="jxr_keyword">break</strong> loop;
<a class="jxr_linenumber" name="691" href="#691">691</a>                                 }
<a class="jxr_linenumber" name="692" href="#692">692</a>                             <strong class="jxr_keyword">case</strong> NEED_UNWRAP:
<a class="jxr_linenumber" name="693" href="#693">693</a>                                 needsUnwrap = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="694" href="#694">694</a>                                 <strong class="jxr_keyword">break</strong> loop;
<a class="jxr_linenumber" name="695" href="#695">695</a>                             <strong class="jxr_keyword">case</strong> NEED_TASK:
<a class="jxr_linenumber" name="696" href="#696">696</a>                                 runDelegatedTasks();
<a class="jxr_linenumber" name="697" href="#697">697</a>                                 <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="698" href="#698">698</a>                             <strong class="jxr_keyword">case</strong> FINISHED:
<a class="jxr_linenumber" name="699" href="#699">699</a>                             <strong class="jxr_keyword">case</strong> NOT_HANDSHAKING:
<a class="jxr_linenumber" name="700" href="#700">700</a>                                 <strong class="jxr_keyword">if</strong> (handshakeStatus == HandshakeStatus.FINISHED) {
<a class="jxr_linenumber" name="701" href="#701">701</a>                                     setHandshakeSuccess(channel);
<a class="jxr_linenumber" name="702" href="#702">702</a>                                 }
<a class="jxr_linenumber" name="703" href="#703">703</a>                                 <strong class="jxr_keyword">if</strong> (result.getStatus() == Status.CLOSED) {
<a class="jxr_linenumber" name="704" href="#704">704</a>                                     success = false;
<a class="jxr_linenumber" name="705" href="#705">705</a>                                 }
<a class="jxr_linenumber" name="706" href="#706">706</a>                                 <strong class="jxr_keyword">break</strong> loop;
<a class="jxr_linenumber" name="707" href="#707">707</a>                             <strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="708" href="#708">708</a>                                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(
<a class="jxr_linenumber" name="709" href="#709">709</a>                                         <span class="jxr_string">"Unknown handshake status: "</span> +
<a class="jxr_linenumber" name="710" href="#710">710</a>                                         handshakeStatus);
<a class="jxr_linenumber" name="711" href="#711">711</a>                             }
<a class="jxr_linenumber" name="712" href="#712">712</a>                         }
<a class="jxr_linenumber" name="713" href="#713">713</a>                     }
<a class="jxr_linenumber" name="714" href="#714">714</a>                 }
<a class="jxr_linenumber" name="715" href="#715">715</a>             }
<a class="jxr_linenumber" name="716" href="#716">716</a>         } <strong class="jxr_keyword">catch</strong> (SSLException e) {
<a class="jxr_linenumber" name="717" href="#717">717</a>             success = false;
<a class="jxr_linenumber" name="718" href="#718">718</a>             setHandshakeFailure(channel, e);
<a class="jxr_linenumber" name="719" href="#719">719</a>             <strong class="jxr_keyword">throw</strong> e;
<a class="jxr_linenumber" name="720" href="#720">720</a>         } <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="721" href="#721">721</a>             bufferPool.release(outNetBuf);
<a class="jxr_linenumber" name="722" href="#722">722</a> 
<a class="jxr_linenumber" name="723" href="#723">723</a>             <strong class="jxr_keyword">if</strong> (offered) {
<a class="jxr_linenumber" name="724" href="#724">724</a>                 flushPendingEncryptedWrites(context);
<a class="jxr_linenumber" name="725" href="#725">725</a>             }
<a class="jxr_linenumber" name="726" href="#726">726</a> 
<a class="jxr_linenumber" name="727" href="#727">727</a>             <strong class="jxr_keyword">if</strong> (!success) {
<a class="jxr_linenumber" name="728" href="#728">728</a>                 IllegalStateException cause =
<a class="jxr_linenumber" name="729" href="#729">729</a>                     <strong class="jxr_keyword">new</strong> IllegalStateException(<span class="jxr_string">"SSLEngine already closed"</span>);
<a class="jxr_linenumber" name="730" href="#730">730</a>                 <em class="jxr_comment">// Mark all remaining pending writes as failure if anything</em>
<a class="jxr_linenumber" name="731" href="#731">731</a>                 <em class="jxr_comment">// wrong happened before the write requests are wrapped.</em>
<a class="jxr_linenumber" name="732" href="#732">732</a>                 <em class="jxr_comment">// Please note that we do not call setFailure while a lock is</em>
<a class="jxr_linenumber" name="733" href="#733">733</a>                 <em class="jxr_comment">// acquired, to avoid a potential dead lock.</em>
<a class="jxr_linenumber" name="734" href="#734">734</a>                 <strong class="jxr_keyword">for</strong> (;;) {
<a class="jxr_linenumber" name="735" href="#735">735</a>                     <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">PendingWrite</a> pendingWrite;
<a class="jxr_linenumber" name="736" href="#736">736</a>                     <strong class="jxr_keyword">synchronized</strong> (pendingUnencryptedWrites) {
<a class="jxr_linenumber" name="737" href="#737">737</a>                         pendingWrite = pendingUnencryptedWrites.poll();
<a class="jxr_linenumber" name="738" href="#738">738</a>                         <strong class="jxr_keyword">if</strong> (pendingWrite == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="739" href="#739">739</a>                             <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="740" href="#740">740</a>                         }
<a class="jxr_linenumber" name="741" href="#741">741</a>                     }
<a class="jxr_linenumber" name="742" href="#742">742</a> 
<a class="jxr_linenumber" name="743" href="#743">743</a>                     pendingWrite.future.setFailure(cause);
<a class="jxr_linenumber" name="744" href="#744">744</a>                 }
<a class="jxr_linenumber" name="745" href="#745">745</a>             }
<a class="jxr_linenumber" name="746" href="#746">746</a>         }
<a class="jxr_linenumber" name="747" href="#747">747</a> 
<a class="jxr_linenumber" name="748" href="#748">748</a>         <strong class="jxr_keyword">if</strong> (needsUnwrap) {
<a class="jxr_linenumber" name="749" href="#749">749</a>             unwrap(context, channel, ChannelBuffers.EMPTY_BUFFER, 0, 0);
<a class="jxr_linenumber" name="750" href="#750">750</a>         }
<a class="jxr_linenumber" name="751" href="#751">751</a> 
<a class="jxr_linenumber" name="752" href="#752">752</a>         <strong class="jxr_keyword">if</strong> (future == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="753" href="#753">753</a>             future = succeededFuture(channel);
<a class="jxr_linenumber" name="754" href="#754">754</a>         }
<a class="jxr_linenumber" name="755" href="#755">755</a>         <strong class="jxr_keyword">return</strong> future;
<a class="jxr_linenumber" name="756" href="#756">756</a>     }
<a class="jxr_linenumber" name="757" href="#757">757</a> 
<a class="jxr_linenumber" name="758" href="#758">758</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> offerEncryptedWriteRequest(<a href="../../../../../org/jboss/netty/channel/MessageEvent.html">MessageEvent</a> encryptedWrite) {
<a class="jxr_linenumber" name="759" href="#759">759</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> locked = pendingEncryptedWritesLock.tryLock();
<a class="jxr_linenumber" name="760" href="#760">760</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="761" href="#761">761</a>             pendingEncryptedWrites.offer(encryptedWrite);
<a class="jxr_linenumber" name="762" href="#762">762</a>         } <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="763" href="#763">763</a>             <strong class="jxr_keyword">if</strong> (locked) {
<a class="jxr_linenumber" name="764" href="#764">764</a>                 pendingEncryptedWritesLock.unlock();
<a class="jxr_linenumber" name="765" href="#765">765</a>             }
<a class="jxr_linenumber" name="766" href="#766">766</a>         }
<a class="jxr_linenumber" name="767" href="#767">767</a>     }
<a class="jxr_linenumber" name="768" href="#768">768</a> 
<a class="jxr_linenumber" name="769" href="#769">769</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> flushPendingEncryptedWrites(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx) {
<a class="jxr_linenumber" name="770" href="#770">770</a>         <em class="jxr_comment">// Avoid possible dead lock and data integrity issue</em>
<a class="jxr_linenumber" name="771" href="#771">771</a>         <em class="jxr_comment">// which is caused by cross communication between more than one channel</em>
<a class="jxr_linenumber" name="772" href="#772">772</a>         <em class="jxr_comment">// in the same VM.</em>
<a class="jxr_linenumber" name="773" href="#773">773</a>         <strong class="jxr_keyword">if</strong> (!pendingEncryptedWritesLock.tryLock()) {
<a class="jxr_linenumber" name="774" href="#774">774</a>             <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="775" href="#775">775</a>         }
<a class="jxr_linenumber" name="776" href="#776">776</a> 
<a class="jxr_linenumber" name="777" href="#777">777</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="778" href="#778">778</a>             <a href="../../../../../org/jboss/netty/channel/MessageEvent.html">MessageEvent</a> e;
<a class="jxr_linenumber" name="779" href="#779">779</a>             <strong class="jxr_keyword">while</strong> ((e = pendingEncryptedWrites.poll()) != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="780" href="#780">780</a>                 ctx.sendDownstream(e);
<a class="jxr_linenumber" name="781" href="#781">781</a>             }
<a class="jxr_linenumber" name="782" href="#782">782</a>         } <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="783" href="#783">783</a>             pendingEncryptedWritesLock.unlock();
<a class="jxr_linenumber" name="784" href="#784">784</a>         }
<a class="jxr_linenumber" name="785" href="#785">785</a>     }
<a class="jxr_linenumber" name="786" href="#786">786</a> 
<a class="jxr_linenumber" name="787" href="#787">787</a>     <strong class="jxr_keyword">private</strong> <a href="../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> wrapNonAppData(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../../org/jboss/netty/channel/Channel.html">Channel</a> channel) <strong class="jxr_keyword">throws</strong> SSLException {
<a class="jxr_linenumber" name="788" href="#788">788</a>         <a href="../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> future = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="789" href="#789">789</a>         ByteBuffer outNetBuf = bufferPool.acquire();
<a class="jxr_linenumber" name="790" href="#790">790</a> 
<a class="jxr_linenumber" name="791" href="#791">791</a>         SSLEngineResult result;
<a class="jxr_linenumber" name="792" href="#792">792</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="793" href="#793">793</a>             <strong class="jxr_keyword">for</strong> (;;) {
<a class="jxr_linenumber" name="794" href="#794">794</a>                 <strong class="jxr_keyword">synchronized</strong> (handshakeLock) {
<a class="jxr_linenumber" name="795" href="#795">795</a>                     result = engine.wrap(EMPTY_BUFFER, outNetBuf);
<a class="jxr_linenumber" name="796" href="#796">796</a>                 }
<a class="jxr_linenumber" name="797" href="#797">797</a> 
<a class="jxr_linenumber" name="798" href="#798">798</a>                 <strong class="jxr_keyword">if</strong> (result.bytesProduced() &gt; 0) {
<a class="jxr_linenumber" name="799" href="#799">799</a>                     outNetBuf.flip();
<a class="jxr_linenumber" name="800" href="#800">800</a>                     <a href="../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> msg = ChannelBuffers.buffer(outNetBuf.remaining());
<a class="jxr_linenumber" name="801" href="#801">801</a>                     msg.writeBytes(outNetBuf.array(), 0, msg.capacity());
<a class="jxr_linenumber" name="802" href="#802">802</a>                     outNetBuf.clear();
<a class="jxr_linenumber" name="803" href="#803">803</a> 
<a class="jxr_linenumber" name="804" href="#804">804</a>                     future = future(channel);
<a class="jxr_linenumber" name="805" href="#805">805</a>                     future.addListener(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/channel/ChannelFutureListener.html">ChannelFutureListener</a>() {
<a class="jxr_linenumber" name="806" href="#806">806</a>                         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> operationComplete(<a href="../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> future)
<a class="jxr_linenumber" name="807" href="#807">807</a>                                 <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="808" href="#808">808</a>                             <strong class="jxr_keyword">if</strong> (future.getCause() instanceof ClosedChannelException) {
<a class="jxr_linenumber" name="809" href="#809">809</a>                                 <strong class="jxr_keyword">synchronized</strong> (ignoreClosedChannelExceptionLock) {
<a class="jxr_linenumber" name="810" href="#810">810</a>                                     ignoreClosedChannelException ++;
<a class="jxr_linenumber" name="811" href="#811">811</a>                                 }
<a class="jxr_linenumber" name="812" href="#812">812</a>                             }
<a class="jxr_linenumber" name="813" href="#813">813</a>                         }
<a class="jxr_linenumber" name="814" href="#814">814</a>                     });
<a class="jxr_linenumber" name="815" href="#815">815</a> 
<a class="jxr_linenumber" name="816" href="#816">816</a>                     write(ctx, future, msg);
<a class="jxr_linenumber" name="817" href="#817">817</a>                 }
<a class="jxr_linenumber" name="818" href="#818">818</a> 
<a class="jxr_linenumber" name="819" href="#819">819</a>                 <strong class="jxr_keyword">final</strong> HandshakeStatus handshakeStatus = result.getHandshakeStatus();
<a class="jxr_linenumber" name="820" href="#820">820</a>                 handleRenegotiation(handshakeStatus);
<a class="jxr_linenumber" name="821" href="#821">821</a>                 <strong class="jxr_keyword">switch</strong> (handshakeStatus) {
<a class="jxr_linenumber" name="822" href="#822">822</a>                 <strong class="jxr_keyword">case</strong> FINISHED:
<a class="jxr_linenumber" name="823" href="#823">823</a>                     setHandshakeSuccess(channel);
<a class="jxr_linenumber" name="824" href="#824">824</a>                     runDelegatedTasks();
<a class="jxr_linenumber" name="825" href="#825">825</a>                     <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="826" href="#826">826</a>                 <strong class="jxr_keyword">case</strong> NEED_TASK:
<a class="jxr_linenumber" name="827" href="#827">827</a>                     runDelegatedTasks();
<a class="jxr_linenumber" name="828" href="#828">828</a>                     <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="829" href="#829">829</a>                 <strong class="jxr_keyword">case</strong> NEED_UNWRAP:
<a class="jxr_linenumber" name="830" href="#830">830</a>                     <strong class="jxr_keyword">if</strong> (!Thread.holdsLock(handshakeLock)) {
<a class="jxr_linenumber" name="831" href="#831">831</a>                         <em class="jxr_comment">// unwrap shouldn't be called when this method was</em>
<a class="jxr_linenumber" name="832" href="#832">832</a>                         <em class="jxr_comment">// called by unwrap - unwrap will keep running after</em>
<a class="jxr_linenumber" name="833" href="#833">833</a>                         <em class="jxr_comment">// this method returns.</em>
<a class="jxr_linenumber" name="834" href="#834">834</a>                         unwrap(ctx, channel, ChannelBuffers.EMPTY_BUFFER, 0, 0);
<a class="jxr_linenumber" name="835" href="#835">835</a>                     }
<a class="jxr_linenumber" name="836" href="#836">836</a>                     <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="837" href="#837">837</a>                 <strong class="jxr_keyword">case</strong> NOT_HANDSHAKING:
<a class="jxr_linenumber" name="838" href="#838">838</a>                 <strong class="jxr_keyword">case</strong> NEED_WRAP:
<a class="jxr_linenumber" name="839" href="#839">839</a>                     <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="840" href="#840">840</a>                 <strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="841" href="#841">841</a>                     <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(
<a class="jxr_linenumber" name="842" href="#842">842</a>                             <span class="jxr_string">"Unexpected handshake status: "</span> + handshakeStatus);
<a class="jxr_linenumber" name="843" href="#843">843</a>                 }
<a class="jxr_linenumber" name="844" href="#844">844</a> 
<a class="jxr_linenumber" name="845" href="#845">845</a>                 <strong class="jxr_keyword">if</strong> (result.bytesProduced() == 0) {
<a class="jxr_linenumber" name="846" href="#846">846</a>                     <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="847" href="#847">847</a>                 }
<a class="jxr_linenumber" name="848" href="#848">848</a>             }
<a class="jxr_linenumber" name="849" href="#849">849</a>         } <strong class="jxr_keyword">catch</strong> (SSLException e) {
<a class="jxr_linenumber" name="850" href="#850">850</a>             setHandshakeFailure(channel, e);
<a class="jxr_linenumber" name="851" href="#851">851</a>             <strong class="jxr_keyword">throw</strong> e;
<a class="jxr_linenumber" name="852" href="#852">852</a>         } <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="853" href="#853">853</a>             bufferPool.release(outNetBuf);
<a class="jxr_linenumber" name="854" href="#854">854</a>         }
<a class="jxr_linenumber" name="855" href="#855">855</a> 
<a class="jxr_linenumber" name="856" href="#856">856</a>         <strong class="jxr_keyword">if</strong> (future == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="857" href="#857">857</a>             future = succeededFuture(channel);
<a class="jxr_linenumber" name="858" href="#858">858</a>         }
<a class="jxr_linenumber" name="859" href="#859">859</a> 
<a class="jxr_linenumber" name="860" href="#860">860</a>         <strong class="jxr_keyword">return</strong> future;
<a class="jxr_linenumber" name="861" href="#861">861</a>     }
<a class="jxr_linenumber" name="862" href="#862">862</a> 
<a class="jxr_linenumber" name="863" href="#863">863</a>     <strong class="jxr_keyword">private</strong> <a href="../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> unwrap(
<a class="jxr_linenumber" name="864" href="#864">864</a>             <a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../../org/jboss/netty/channel/Channel.html">Channel</a> channel, <a href="../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> buffer, <strong class="jxr_keyword">int</strong> offset, <strong class="jxr_keyword">int</strong> length) <strong class="jxr_keyword">throws</strong> SSLException {
<a class="jxr_linenumber" name="865" href="#865">865</a>         ByteBuffer inNetBuf = buffer.toByteBuffer(offset, length);
<a class="jxr_linenumber" name="866" href="#866">866</a>         ByteBuffer outAppBuf = bufferPool.acquire();
<a class="jxr_linenumber" name="867" href="#867">867</a> 
<a class="jxr_linenumber" name="868" href="#868">868</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="869" href="#869">869</a>             <strong class="jxr_keyword">boolean</strong> needsWrap = false;
<a class="jxr_linenumber" name="870" href="#870">870</a>             loop:
<a class="jxr_linenumber" name="871" href="#871">871</a>             <strong class="jxr_keyword">for</strong> (;;) {
<a class="jxr_linenumber" name="872" href="#872">872</a>                 SSLEngineResult result;
<a class="jxr_linenumber" name="873" href="#873">873</a>                 <strong class="jxr_keyword">synchronized</strong> (handshakeLock) {
<a class="jxr_linenumber" name="874" href="#874">874</a>                     <strong class="jxr_keyword">if</strong> (!handshaken &amp;&amp; !handshaking &amp;&amp;
<a class="jxr_linenumber" name="875" href="#875">875</a>                         !engine.getUseClientMode() &amp;&amp;
<a class="jxr_linenumber" name="876" href="#876">876</a>                         !engine.isInboundDone() &amp;&amp; !engine.isOutboundDone()) {
<a class="jxr_linenumber" name="877" href="#877">877</a>                         handshake();
<a class="jxr_linenumber" name="878" href="#878">878</a>                     }
<a class="jxr_linenumber" name="879" href="#879">879</a> 
<a class="jxr_linenumber" name="880" href="#880">880</a>                     <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="881" href="#881">881</a>                         result = engine.unwrap(inNetBuf, outAppBuf);
<a class="jxr_linenumber" name="882" href="#882">882</a>                     } <strong class="jxr_keyword">catch</strong> (SSLException e) {
<a class="jxr_linenumber" name="883" href="#883">883</a>                         <strong class="jxr_keyword">throw</strong> e;
<a class="jxr_linenumber" name="884" href="#884">884</a>                     }
<a class="jxr_linenumber" name="885" href="#885">885</a> 
<a class="jxr_linenumber" name="886" href="#886">886</a>                     <strong class="jxr_keyword">final</strong> HandshakeStatus handshakeStatus = result.getHandshakeStatus();
<a class="jxr_linenumber" name="887" href="#887">887</a>                     handleRenegotiation(handshakeStatus);
<a class="jxr_linenumber" name="888" href="#888">888</a>                     <strong class="jxr_keyword">switch</strong> (handshakeStatus) {
<a class="jxr_linenumber" name="889" href="#889">889</a>                     <strong class="jxr_keyword">case</strong> NEED_UNWRAP:
<a class="jxr_linenumber" name="890" href="#890">890</a>                         <strong class="jxr_keyword">if</strong> (inNetBuf.hasRemaining() &amp;&amp; !engine.isInboundDone()) {
<a class="jxr_linenumber" name="891" href="#891">891</a>                             <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="892" href="#892">892</a>                         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="893" href="#893">893</a>                             <strong class="jxr_keyword">break</strong> loop;
<a class="jxr_linenumber" name="894" href="#894">894</a>                         }
<a class="jxr_linenumber" name="895" href="#895">895</a>                     <strong class="jxr_keyword">case</strong> NEED_WRAP:
<a class="jxr_linenumber" name="896" href="#896">896</a>                         wrapNonAppData(ctx, channel);
<a class="jxr_linenumber" name="897" href="#897">897</a>                         <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="898" href="#898">898</a>                     <strong class="jxr_keyword">case</strong> NEED_TASK:
<a class="jxr_linenumber" name="899" href="#899">899</a>                         runDelegatedTasks();
<a class="jxr_linenumber" name="900" href="#900">900</a>                         <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="901" href="#901">901</a>                     <strong class="jxr_keyword">case</strong> FINISHED:
<a class="jxr_linenumber" name="902" href="#902">902</a>                         setHandshakeSuccess(channel);
<a class="jxr_linenumber" name="903" href="#903">903</a>                         needsWrap = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="904" href="#904">904</a>                         <strong class="jxr_keyword">break</strong> loop;
<a class="jxr_linenumber" name="905" href="#905">905</a>                     <strong class="jxr_keyword">case</strong> NOT_HANDSHAKING:
<a class="jxr_linenumber" name="906" href="#906">906</a>                         needsWrap = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="907" href="#907">907</a>                         <strong class="jxr_keyword">break</strong> loop;
<a class="jxr_linenumber" name="908" href="#908">908</a>                     <strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="909" href="#909">909</a>                         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(
<a class="jxr_linenumber" name="910" href="#910">910</a>                                 <span class="jxr_string">"Unknown handshake status: "</span> + handshakeStatus);
<a class="jxr_linenumber" name="911" href="#911">911</a>                     }
<a class="jxr_linenumber" name="912" href="#912">912</a>                 }
<a class="jxr_linenumber" name="913" href="#913">913</a>             }
<a class="jxr_linenumber" name="914" href="#914">914</a> 
<a class="jxr_linenumber" name="915" href="#915">915</a>             <strong class="jxr_keyword">if</strong> (needsWrap) {
<a class="jxr_linenumber" name="916" href="#916">916</a>                 <em class="jxr_comment">// wrap() acquires pendingUnencryptedWrites first and then</em>
<a class="jxr_linenumber" name="917" href="#917">917</a>                 <em class="jxr_comment">// handshakeLock.  If handshakeLock is already hold by the</em>
<a class="jxr_linenumber" name="918" href="#918">918</a>                 <em class="jxr_comment">// current thread, calling wrap() will lead to a dead lock</em>
<a class="jxr_linenumber" name="919" href="#919">919</a>                 <em class="jxr_comment">// i.e. pendingUnencryptedWrites -&gt; handshakeLock vs.</em>
<a class="jxr_linenumber" name="920" href="#920">920</a>                 <em class="jxr_comment">//      handshakeLock -&gt; pendingUnencryptedLock -&gt; handshakeLock</em>
<a class="jxr_linenumber" name="921" href="#921">921</a>                 <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="922" href="#922">922</a>                 <em class="jxr_comment">// There is also a same issue between pendingEncryptedWrites</em>
<a class="jxr_linenumber" name="923" href="#923">923</a>                 <em class="jxr_comment">// and pendingUnencryptedWrites.</em>
<a class="jxr_linenumber" name="924" href="#924">924</a>                 <strong class="jxr_keyword">if</strong> (!Thread.holdsLock(handshakeLock) &amp;&amp;
<a class="jxr_linenumber" name="925" href="#925">925</a>                     !pendingEncryptedWritesLock.isHeldByCurrentThread()) {
<a class="jxr_linenumber" name="926" href="#926">926</a>                     wrap(ctx, channel);
<a class="jxr_linenumber" name="927" href="#927">927</a>                 }
<a class="jxr_linenumber" name="928" href="#928">928</a>             }
<a class="jxr_linenumber" name="929" href="#929">929</a> 
<a class="jxr_linenumber" name="930" href="#930">930</a>             outAppBuf.flip();
<a class="jxr_linenumber" name="931" href="#931">931</a> 
<a class="jxr_linenumber" name="932" href="#932">932</a>             <strong class="jxr_keyword">if</strong> (outAppBuf.hasRemaining()) {
<a class="jxr_linenumber" name="933" href="#933">933</a>                 <a href="../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> frame = ChannelBuffers.buffer(outAppBuf.remaining());
<a class="jxr_linenumber" name="934" href="#934">934</a>                 frame.writeBytes(outAppBuf.array(), 0, frame.capacity());
<a class="jxr_linenumber" name="935" href="#935">935</a>                 <strong class="jxr_keyword">return</strong> frame;
<a class="jxr_linenumber" name="936" href="#936">936</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="937" href="#937">937</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="938" href="#938">938</a>             }
<a class="jxr_linenumber" name="939" href="#939">939</a>         } <strong class="jxr_keyword">catch</strong> (SSLException e) {
<a class="jxr_linenumber" name="940" href="#940">940</a>             setHandshakeFailure(channel, e);
<a class="jxr_linenumber" name="941" href="#941">941</a>             <strong class="jxr_keyword">throw</strong> e;
<a class="jxr_linenumber" name="942" href="#942">942</a>         } <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="943" href="#943">943</a>             bufferPool.release(outAppBuf);
<a class="jxr_linenumber" name="944" href="#944">944</a>         }
<a class="jxr_linenumber" name="945" href="#945">945</a>     }
<a class="jxr_linenumber" name="946" href="#946">946</a> 
<a class="jxr_linenumber" name="947" href="#947">947</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> handleRenegotiation(HandshakeStatus handshakeStatus) {
<a class="jxr_linenumber" name="948" href="#948">948</a>         <strong class="jxr_keyword">if</strong> (handshakeStatus == HandshakeStatus.NOT_HANDSHAKING ||
<a class="jxr_linenumber" name="949" href="#949">949</a>             handshakeStatus == HandshakeStatus.FINISHED) {
<a class="jxr_linenumber" name="950" href="#950">950</a>             <em class="jxr_comment">// Not handshaking</em>
<a class="jxr_linenumber" name="951" href="#951">951</a>             <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="952" href="#952">952</a>         }
<a class="jxr_linenumber" name="953" href="#953">953</a> 
<a class="jxr_linenumber" name="954" href="#954">954</a>         <strong class="jxr_keyword">if</strong> (!handshaken) {
<a class="jxr_linenumber" name="955" href="#955">955</a>             <em class="jxr_comment">// Not renegotiation</em>
<a class="jxr_linenumber" name="956" href="#956">956</a>             <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="957" href="#957">957</a>         }
<a class="jxr_linenumber" name="958" href="#958">958</a> 
<a class="jxr_linenumber" name="959" href="#959">959</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> renegotiate;
<a class="jxr_linenumber" name="960" href="#960">960</a>         <strong class="jxr_keyword">synchronized</strong> (handshakeLock) {
<a class="jxr_linenumber" name="961" href="#961">961</a>             <strong class="jxr_keyword">if</strong> (handshaking) {
<a class="jxr_linenumber" name="962" href="#962">962</a>                 <em class="jxr_comment">// Renegotiation in progress or failed already.</em>
<a class="jxr_linenumber" name="963" href="#963">963</a>                 <em class="jxr_comment">// i.e. Renegotiation check has been done already below.</em>
<a class="jxr_linenumber" name="964" href="#964">964</a>                 <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="965" href="#965">965</a>             }
<a class="jxr_linenumber" name="966" href="#966">966</a> 
<a class="jxr_linenumber" name="967" href="#967">967</a>             <strong class="jxr_keyword">if</strong> (engine.isInboundDone() || engine.isOutboundDone()) {
<a class="jxr_linenumber" name="968" href="#968">968</a>                 <em class="jxr_comment">// Not handshaking but closing.</em>
<a class="jxr_linenumber" name="969" href="#969">969</a>                 <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="970" href="#970">970</a>             }
<a class="jxr_linenumber" name="971" href="#971">971</a> 
<a class="jxr_linenumber" name="972" href="#972">972</a>             <strong class="jxr_keyword">if</strong> (isEnableRenegotiation()) {
<a class="jxr_linenumber" name="973" href="#973">973</a>                 <em class="jxr_comment">// Continue renegotiation.</em>
<a class="jxr_linenumber" name="974" href="#974">974</a>                 renegotiate = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="975" href="#975">975</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="976" href="#976">976</a>                 <em class="jxr_comment">// Do not renegotiate.</em>
<a class="jxr_linenumber" name="977" href="#977">977</a>                 renegotiate = false;
<a class="jxr_linenumber" name="978" href="#978">978</a>                 <em class="jxr_comment">// Prevent reentrance of this method.</em>
<a class="jxr_linenumber" name="979" href="#979">979</a>                 handshaking = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="980" href="#980">980</a>             }
<a class="jxr_linenumber" name="981" href="#981">981</a>         }
<a class="jxr_linenumber" name="982" href="#982">982</a> 
<a class="jxr_linenumber" name="983" href="#983">983</a>         <strong class="jxr_keyword">if</strong> (renegotiate) {
<a class="jxr_linenumber" name="984" href="#984">984</a>             <em class="jxr_comment">// Renegotiate.</em>
<a class="jxr_linenumber" name="985" href="#985">985</a>             handshake();
<a class="jxr_linenumber" name="986" href="#986">986</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="987" href="#987">987</a>             <em class="jxr_comment">// Raise an exception.</em>
<a class="jxr_linenumber" name="988" href="#988">988</a>             fireExceptionCaught(
<a class="jxr_linenumber" name="989" href="#989">989</a>                     ctx, <strong class="jxr_keyword">new</strong> SSLException(
<a class="jxr_linenumber" name="990" href="#990">990</a>                             <span class="jxr_string">"renegotiation attempted by peer; "</span> +
<a class="jxr_linenumber" name="991" href="#991">991</a>                             <span class="jxr_string">"closing the connection"</span>));
<a class="jxr_linenumber" name="992" href="#992">992</a> 
<a class="jxr_linenumber" name="993" href="#993">993</a>             <em class="jxr_comment">// Close the connection to stop renegotiation.</em>
<a class="jxr_linenumber" name="994" href="#994">994</a>             Channels.close(ctx, succeededFuture(ctx.getChannel()));
<a class="jxr_linenumber" name="995" href="#995">995</a>         }
<a class="jxr_linenumber" name="996" href="#996">996</a>     }
<a class="jxr_linenumber" name="997" href="#997">997</a> 
<a class="jxr_linenumber" name="998" href="#998">998</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> runDelegatedTasks() {
<a class="jxr_linenumber" name="999" href="#999">999</a>         <strong class="jxr_keyword">for</strong> (;;) {
<a class="jxr_linenumber" name="1000" href="#1000">1000</a>             <strong class="jxr_keyword">final</strong> Runnable task;
<a class="jxr_linenumber" name="1001" href="#1001">1001</a>             <strong class="jxr_keyword">synchronized</strong> (handshakeLock) {
<a class="jxr_linenumber" name="1002" href="#1002">1002</a>                 task = engine.getDelegatedTask();
<a class="jxr_linenumber" name="1003" href="#1003">1003</a>             }
<a class="jxr_linenumber" name="1004" href="#1004">1004</a> 
<a class="jxr_linenumber" name="1005" href="#1005">1005</a>             <strong class="jxr_keyword">if</strong> (task == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="1006" href="#1006">1006</a>                 <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="1007" href="#1007">1007</a>             }
<a class="jxr_linenumber" name="1008" href="#1008">1008</a> 
<a class="jxr_linenumber" name="1009" href="#1009">1009</a>             delegatedTaskExecutor.execute(<strong class="jxr_keyword">new</strong> Runnable() {
<a class="jxr_linenumber" name="1010" href="#1010">1010</a>                 <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() {
<a class="jxr_linenumber" name="1011" href="#1011">1011</a>                     <strong class="jxr_keyword">synchronized</strong> (handshakeLock) {
<a class="jxr_linenumber" name="1012" href="#1012">1012</a>                         task.run();
<a class="jxr_linenumber" name="1013" href="#1013">1013</a>                     }
<a class="jxr_linenumber" name="1014" href="#1014">1014</a>                 }
<a class="jxr_linenumber" name="1015" href="#1015">1015</a>             });
<a class="jxr_linenumber" name="1016" href="#1016">1016</a>         }
<a class="jxr_linenumber" name="1017" href="#1017">1017</a>     }
<a class="jxr_linenumber" name="1018" href="#1018">1018</a> 
<a class="jxr_linenumber" name="1019" href="#1019">1019</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> setHandshakeSuccess(<a href="../../../../../org/jboss/netty/channel/Channel.html">Channel</a> channel) {
<a class="jxr_linenumber" name="1020" href="#1020">1020</a>         <strong class="jxr_keyword">synchronized</strong> (handshakeLock) {
<a class="jxr_linenumber" name="1021" href="#1021">1021</a>             handshaking = false;
<a class="jxr_linenumber" name="1022" href="#1022">1022</a>             handshaken = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="1023" href="#1023">1023</a> 
<a class="jxr_linenumber" name="1024" href="#1024">1024</a>             <strong class="jxr_keyword">if</strong> (handshakeFuture == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="1025" href="#1025">1025</a>                 handshakeFuture = future(channel);
<a class="jxr_linenumber" name="1026" href="#1026">1026</a>             }
<a class="jxr_linenumber" name="1027" href="#1027">1027</a>         }
<a class="jxr_linenumber" name="1028" href="#1028">1028</a> 
<a class="jxr_linenumber" name="1029" href="#1029">1029</a>         handshakeFuture.setSuccess();
<a class="jxr_linenumber" name="1030" href="#1030">1030</a>     }
<a class="jxr_linenumber" name="1031" href="#1031">1031</a> 
<a class="jxr_linenumber" name="1032" href="#1032">1032</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> setHandshakeFailure(<a href="../../../../../org/jboss/netty/channel/Channel.html">Channel</a> channel, SSLException cause) {
<a class="jxr_linenumber" name="1033" href="#1033">1033</a>         <strong class="jxr_keyword">synchronized</strong> (handshakeLock) {
<a class="jxr_linenumber" name="1034" href="#1034">1034</a>             <strong class="jxr_keyword">if</strong> (!handshaking) {
<a class="jxr_linenumber" name="1035" href="#1035">1035</a>                 <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="1036" href="#1036">1036</a>             }
<a class="jxr_linenumber" name="1037" href="#1037">1037</a>             handshaking = false;
<a class="jxr_linenumber" name="1038" href="#1038">1038</a>             handshaken = false;
<a class="jxr_linenumber" name="1039" href="#1039">1039</a> 
<a class="jxr_linenumber" name="1040" href="#1040">1040</a>             <strong class="jxr_keyword">if</strong> (handshakeFuture == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="1041" href="#1041">1041</a>                 handshakeFuture = future(channel);
<a class="jxr_linenumber" name="1042" href="#1042">1042</a>             }
<a class="jxr_linenumber" name="1043" href="#1043">1043</a>         }
<a class="jxr_linenumber" name="1044" href="#1044">1044</a>         handshakeFuture.setFailure(cause);
<a class="jxr_linenumber" name="1045" href="#1045">1045</a>     }
<a class="jxr_linenumber" name="1046" href="#1046">1046</a> 
<a class="jxr_linenumber" name="1047" href="#1047">1047</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> closeOutboundAndChannel(
<a class="jxr_linenumber" name="1048" href="#1048">1048</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> context, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/channel/ChannelStateEvent.html">ChannelStateEvent</a> e) <strong class="jxr_keyword">throws</strong> SSLException {
<a class="jxr_linenumber" name="1049" href="#1049">1049</a>         <strong class="jxr_keyword">if</strong> (!e.getChannel().isConnected()) {
<a class="jxr_linenumber" name="1050" href="#1050">1050</a>             context.sendDownstream(e);
<a class="jxr_linenumber" name="1051" href="#1051">1051</a>             <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="1052" href="#1052">1052</a>         }
<a class="jxr_linenumber" name="1053" href="#1053">1053</a> 
<a class="jxr_linenumber" name="1054" href="#1054">1054</a>         unwrap(context, e.getChannel(), ChannelBuffers.EMPTY_BUFFER, 0, 0);
<a class="jxr_linenumber" name="1055" href="#1055">1055</a>         <strong class="jxr_keyword">if</strong> (!engine.isInboundDone()) {
<a class="jxr_linenumber" name="1056" href="#1056">1056</a>             <strong class="jxr_keyword">if</strong> (sentCloseNotify.compareAndSet(false, <strong class="jxr_keyword">true</strong>)) {
<a class="jxr_linenumber" name="1057" href="#1057">1057</a>                 engine.closeOutbound();
<a class="jxr_linenumber" name="1058" href="#1058">1058</a>                 <a href="../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> closeNotifyFuture = wrapNonAppData(context, e.getChannel());
<a class="jxr_linenumber" name="1059" href="#1059">1059</a>                 closeNotifyFuture.addListener(
<a class="jxr_linenumber" name="1060" href="#1060">1060</a>                         <strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">ClosingChannelFutureListener</a>(context, e));
<a class="jxr_linenumber" name="1061" href="#1061">1061</a>                 <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="1062" href="#1062">1062</a>             }
<a class="jxr_linenumber" name="1063" href="#1063">1063</a>         }
<a class="jxr_linenumber" name="1064" href="#1064">1064</a> 
<a class="jxr_linenumber" name="1065" href="#1065">1065</a>         context.sendDownstream(e);
<a class="jxr_linenumber" name="1066" href="#1066">1066</a>     }
<a class="jxr_linenumber" name="1067" href="#1067">1067</a> 
<a class="jxr_linenumber" name="1068" href="#1068">1068</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">PendingWrite</a> {
<a class="jxr_linenumber" name="1069" href="#1069">1069</a>         <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> future;
<a class="jxr_linenumber" name="1070" href="#1070">1070</a>         <strong class="jxr_keyword">final</strong> ByteBuffer outAppBuf;
<a class="jxr_linenumber" name="1071" href="#1071">1071</a> 
<a class="jxr_linenumber" name="1072" href="#1072">1072</a>         <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">PendingWrite</a>(<a href="../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> future, ByteBuffer outAppBuf) {
<a class="jxr_linenumber" name="1073" href="#1073">1073</a>             <strong class="jxr_keyword">this</strong>.future = future;
<a class="jxr_linenumber" name="1074" href="#1074">1074</a>             <strong class="jxr_keyword">this</strong>.outAppBuf = outAppBuf;
<a class="jxr_linenumber" name="1075" href="#1075">1075</a>         }
<a class="jxr_linenumber" name="1076" href="#1076">1076</a>     }
<a class="jxr_linenumber" name="1077" href="#1077">1077</a> 
<a class="jxr_linenumber" name="1078" href="#1078">1078</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">ClosingChannelFutureListener</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../../org/jboss/netty/channel/ChannelFutureListener.html">ChannelFutureListener</a> {
<a class="jxr_linenumber" name="1079" href="#1079">1079</a> 
<a class="jxr_linenumber" name="1080" href="#1080">1080</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> context;
<a class="jxr_linenumber" name="1081" href="#1081">1081</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/channel/ChannelStateEvent.html">ChannelStateEvent</a> e;
<a class="jxr_linenumber" name="1082" href="#1082">1082</a> 
<a class="jxr_linenumber" name="1083" href="#1083">1083</a>         <a href="../../../../../org/jboss/netty/handler/ssl/SslHandler.html">ClosingChannelFutureListener</a>(
<a class="jxr_linenumber" name="1084" href="#1084">1084</a>                 <a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> context, <a href="../../../../../org/jboss/netty/channel/ChannelStateEvent.html">ChannelStateEvent</a> e) {
<a class="jxr_linenumber" name="1085" href="#1085">1085</a>             <strong class="jxr_keyword">this</strong>.context = context;
<a class="jxr_linenumber" name="1086" href="#1086">1086</a>             <strong class="jxr_keyword">this</strong>.e = e;
<a class="jxr_linenumber" name="1087" href="#1087">1087</a>         }
<a class="jxr_linenumber" name="1088" href="#1088">1088</a> 
<a class="jxr_linenumber" name="1089" href="#1089">1089</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> operationComplete(<a href="../../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> closeNotifyFuture) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="1090" href="#1090">1090</a>             <strong class="jxr_keyword">if</strong> (!(closeNotifyFuture.getCause() instanceof ClosedChannelException)) {
<a class="jxr_linenumber" name="1091" href="#1091">1091</a>                 Channels.close(context, e.getFuture());
<a class="jxr_linenumber" name="1092" href="#1092">1092</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="1093" href="#1093">1093</a>                 e.getFuture().setSuccess();
<a class="jxr_linenumber" name="1094" href="#1094">1094</a>             }
<a class="jxr_linenumber" name="1095" href="#1095">1095</a>         }
<a class="jxr_linenumber" name="1096" href="#1096">1096</a>     }
<a class="jxr_linenumber" name="1097" href="#1097">1097</a> 
<a class="jxr_linenumber" name="1098" href="#1098">1098</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> beforeAdd(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="1099" href="#1099">1099</a>         <strong class="jxr_keyword">this</strong>.ctx = ctx;
<a class="jxr_linenumber" name="1100" href="#1100">1100</a>     }
<a class="jxr_linenumber" name="1101" href="#1101">1101</a> 
<a class="jxr_linenumber" name="1102" href="#1102">1102</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> afterAdd(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="1103" href="#1103">1103</a>         <em class="jxr_comment">// Unused</em>
<a class="jxr_linenumber" name="1104" href="#1104">1104</a>     }
<a class="jxr_linenumber" name="1105" href="#1105">1105</a> 
<a class="jxr_linenumber" name="1106" href="#1106">1106</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> beforeRemove(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="1107" href="#1107">1107</a>         <em class="jxr_comment">// Unused</em>
<a class="jxr_linenumber" name="1108" href="#1108">1108</a>     }
<a class="jxr_linenumber" name="1109" href="#1109">1109</a> 
<a class="jxr_linenumber" name="1110" href="#1110">1110</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> afterRemove(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="1111" href="#1111">1111</a>         <em class="jxr_comment">// Unused</em>
<a class="jxr_linenumber" name="1112" href="#1112">1112</a>     }
<a class="jxr_linenumber" name="1113" href="#1113">1113</a> }
</pre>
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